fix warning for uninitialized count

git-svn-id: http://skia.googlecode.com/svn/trunk@14095 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkFont.cpp b/src/core/SkFont.cpp
index 1516211..69b6718 100644
--- a/src/core/SkFont.cpp
+++ b/src/core/SkFont.cpp
@@ -66,7 +66,8 @@
     
     SkASSERT(text);
 
-    int count;
+    int count = 0;  // fix uninitialized warning (even though the switch is complete!)
+
     switch (encoding) {
         case kUTF8_SkTextEncoding:
             count = SkUTF8_CountUnichars((const char*)text, byteLength);