revert accidental change to lcd format pref

git-svn-id: http://skia.googlecode.com/svn/trunk@2596 2bbb7eff-a529-9590-31e7-b0007b416f81

src/ports/SkFontHost_mac_coretext.cpp

@@ -1603,7 +1603,7 @@ void SkFontHost::FilterRec(SkScalerContext::Rec* rec) {
     if (SkMask::kLCD16_Format == rec->fMaskFormat
             || SkMask::kLCD32_Format == rec->fMaskFormat) {
         if (supports_LCD()) {
-            rec->fMaskFormat = SkMask::kLCD16_Format;
+            rec->fMaskFormat = SkMask::kLCD32_Format;
         } else {
             rec->fMaskFormat = SkMask::kA8_Format;
         }