Merge pull request #186 from macvim-dev/fix/fail-safe-recurseDraw

Fix a possible infinite recursive recurseDraw call

Author: splhack

src/MacVim/MMCoreTextView.m

@@ -1261,6 +1261,12 @@ - (void)batchDrawData:(NSData *)data
             CFRelease(fallback);
         }
 
+        if (glyphs == g) {
+           // No valid chars in the glyphs. Exit from the possible infinite
+           // recursive call.
+           break;
+        }
+
         chars = c;
         glyphs = g;
         positions = p;