Stop convert generating single space filenames
And remove stupid backtick quotes from filenames

diff --git a/MagickCore/blob.c b/MagickCore/blob.c
index 51fc9a9..99d1931 100644
--- a/MagickCore/blob.c
+++ b/MagickCore/blob.c
@@ -346,7 +346,7 @@
   if ((blob == (const void *) NULL) || (length == 0))
     {
       (void) ThrowMagickException(exception,GetMagickModule(),BlobError,
-        "ZeroLengthBlobNotPermitted","`%s'",image_info->filename);
+        "ZeroLengthBlobNotPermitted","'%s'",image_info->filename);
       return((Image *) NULL);
     }
   blob_info=CloneImageInfo(image_info);
@@ -359,7 +359,7 @@
     {
       blob_info=DestroyImageInfo(blob_info);
       (void) ThrowMagickException(exception,GetMagickModule(),
-        MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
+        MissingDelegateError,"NoDecodeDelegateForThisImageFormat","'%s'",
         image_info->filename);
       return((Image *) NULL);
     }
@@ -983,7 +983,7 @@
       if (blob == (unsigned char *) NULL)
         {
           (void) ThrowMagickException(exception,GetMagickModule(),
-            ResourceLimitError,"MemoryAllocationFailed","`%s'",filename);
+            ResourceLimitError,"MemoryAllocationFailed","'%s'",filename);
           return((unsigned char *) NULL);
         }
       if (file == -1)
@@ -1005,7 +1005,7 @@
     {
       file=close(file);
       (void) ThrowMagickException(exception,GetMagickModule(),
-        ResourceLimitError,"MemoryAllocationFailed","`%s'",filename);
+        ResourceLimitError,"MemoryAllocationFailed","'%s'",filename);
       return((unsigned char *) NULL);
     }
   map=MapBlob(file,ReadMode,0,*length);
@@ -1496,7 +1496,7 @@
   if (magick_info == (const MagickInfo *) NULL)
     {
       (void) ThrowMagickException(exception,GetMagickModule(),
-        MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
+        MissingDelegateError,"NoDecodeDelegateForThisImageFormat","'%s'",
         image->filename);
       return(blob);
     }
@@ -1511,7 +1511,7 @@
         sizeof(unsigned char));
       if (blob_info->blob == (void *) NULL)
         (void) ThrowMagickException(exception,GetMagickModule(),
-          ResourceLimitError,"MemoryAllocationFailed","`%s'",image->filename);
+          ResourceLimitError,"MemoryAllocationFailed","'%s'",image->filename);
       else
         {
           (void) CloseBlob(image);
@@ -1644,7 +1644,7 @@
     {
       file=close(file)-1;
       (void) ThrowMagickException(exception,GetMagickModule(),
-        ResourceLimitError,"MemoryAllocationError","`%s'",filename);
+        ResourceLimitError,"MemoryAllocationError","'%s'",filename);
       return(MagickFalse);
     }
   length=0;
@@ -1751,7 +1751,7 @@
   if (magick_info == (const MagickInfo *) NULL)
     {
       (void) ThrowMagickException(exception,GetMagickModule(),
-        MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
+        MissingDelegateError,"NoDecodeDelegateForThisImageFormat","'%s'",
         images->filename);
       return(blob);
     }
@@ -1766,7 +1766,7 @@
         sizeof(unsigned char));
       if (blob_info->blob == (void *) NULL)
         (void) ThrowMagickException(exception,GetMagickModule(),
-          ResourceLimitError,"MemoryAllocationFailed","`%s'",images->filename);
+          ResourceLimitError,"MemoryAllocationFailed","'%s'",images->filename);
       else
         {
           images->blob->exempt=MagickTrue;
@@ -2366,7 +2366,7 @@
     {
       errno=EPERM;
       (void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
-        "NotAuthorized","`%s'",filename);
+        "NotAuthorized","'%s'",filename);
       return(MagickFalse);
     }
   if ((LocaleCompare(filename,"-") == 0) ||
@@ -2677,7 +2677,7 @@
   if ((blob == (const void *) NULL) || (length == 0))
     {
       (void) ThrowMagickException(exception,GetMagickModule(),BlobError,
-        "UnrecognizedImageFormat","`%s'",image_info->magick);
+        "UnrecognizedImageFormat","'%s'",image_info->magick);
       return((Image *) NULL);
     }
   ping_info=CloneImageInfo(image_info);
@@ -2685,7 +2685,7 @@
   if (ping_info->blob == (const void *) NULL)
     {
       (void) ThrowMagickException(exception,GetMagickModule(),
-        ResourceLimitFatalError,"MemoryAllocationFailed","`%s'","");
+        ResourceLimitFatalError,"MemoryAllocationFailed","'%s'","");
       return((Image *) NULL);
     }
   (void) memcpy(ping_info->blob,blob,length);