Change comment to avoid warning (don't end line comment with '\').


git-svn-id: http://skia.googlecode.com/svn/trunk@7542 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/skdiff_image.cpp b/tools/skdiff_image.cpp
index 1487587..086fb09 100644
--- a/tools/skdiff_image.cpp
+++ b/tools/skdiff_image.cpp
@@ -292,7 +292,7 @@
     //     However, diff will encode the filename as a cstring if the filename contains
     //         Any of <space> or <double quote>
     //         A char less than 32
-    //         Any escapable character \a, \b, \t, \n, \v, \f, \r, \\
+    //         Any escapable character \\, \a, \b, \t, \n, \v, \f, \r
     //
     // Patch decodes:
     //     If first <non-white-space> is <double quote>, parse filename from cstring.