Fix a precedence error in an assert in the fontconfig host.

Review URL: http://codereview.appspot.com/90060


git-svn-id: http://skia.googlecode.com/svn/trunk@246 2bbb7eff-a529-9590-31e7-b0007b416f81

src/ports/SkFontHost_fontconfig.cpp

@@ -68,7 +68,7 @@ static SkTypeface::Style UniqueIdToStyle(unsigned uniqueid)
 static unsigned FileIdAndStyleToUniqueId(unsigned fileid,
                                          SkTypeface::Style style)
 {
-    SkASSERT(style & 0xff == style);
+    SkASSERT((style & 0xff) == style);
     return (fileid << 8) | static_cast<int>(style);
 }