Merge pull request ReactiveCocoa#149 from bricklife/fix-memory-leak

Fix memory leak of `attributes`

Author: mdiep

ReactiveObjC/extobjc/EXTRuntimeExtensions.m

@@ -7,7 +7,7 @@
 //  Released under the MIT license.
 //
 
-#import <ReactiveObjC/EXTRuntimeExtensions.h>
+#import "EXTRuntimeExtensions.h"
 
 #import <ctype.h>
 #import <Foundation/Foundation.h>
@@ -62,7 +62,7 @@
 
         if (!next) {
             fprintf(stderr, "ERROR: Could not read class name in attribute string \"%s\" for property %s\n", attrString, property_getName(property));
-            return NULL;
+            goto errorOut;
         }
 
         if (className != next) {