fix warnings (unused local var)

git-svn-id: http://skia.googlecode.com/svn/trunk@285 2bbb7eff-a529-9590-31e7-b0007b416f81

src/ports/SkFontHost_FreeType.cpp

@@ -274,11 +274,10 @@ SkScalerContext_FreeType::SkScalerContext_FreeType(const SkDescriptor* desc)
         : SkScalerContext(desc) {
     SkAutoMutexAcquire  ac(gFTMutex);
 
-    FT_Error    err;
-
     if (gFTCount == 0) {
-        const bool success = InitFreetype();
-        SkASSERT(success);
+        if (!InitFreetype()) {
+            sk_throw();
+        }
     }
     ++gFTCount;