Remove compiler warnings when building the emulator.

This forces -Wall during the build. Note that this patch doesn't
remove all warnings, but most of the remaining ones are from upstream anyway.

Change-Id: I8808d8495e99866e156ce5780d2e3c305eab491f
diff --git a/android/utils/ini.c b/android/utils/ini.c
index 95bb4e3..317d233 100644
--- a/android/utils/ini.c
+++ b/android/utils/ini.c
@@ -109,8 +109,8 @@
 }
 
 void
-iniFile_getPair( IniFile*   i, 
-                    int           index, 
+iniFile_getPair( IniFile*   i,
+                    int           index,
                     const char*  *pKey,
                     const char*  *pValue )
 {
@@ -251,6 +251,7 @@
     char*        text;
     long         size;
     IniFile*     ini = NULL;
+    size_t       len;
 
     if (fp == NULL) {
         D("could not open .ini file: %s: %s",
@@ -275,8 +276,8 @@
 
     /* read the file, add a sentinel at the end of it */
     AARRAY_NEW(text, size+1);
-    fread(text, 1, size, fp);
-    text[size] = 0;
+    len = fread(text, 1, size, fp);
+    text[len] = 0;
 
     ini = iniFile_newFromMemory(text, filepath);
     AFREE(text);
diff --git a/android/utils/mapfile.c b/android/utils/mapfile.c
index c8ba8e5..102dfd8 100644
--- a/android/utils/mapfile.c
+++ b/android/utils/mapfile.c
@@ -34,8 +34,8 @@
 {
 #ifdef WIN32
     DWORD win32_share;
-    DWORD win32_desired_access;
-    DWORD win32_disposition;
+    DWORD win32_desired_access = GENERIC_READ;
+    DWORD win32_disposition = OPEN_EXISTING;
     DWORD win32_flags;
 
     /* Convert to Win32 desired access. */