appease MSVC (doesnt like unary minus of unsigned ints)

nunoplopes · nunoplopes · commit b2b018d5f7d0 · 2012-07-08T15:28:29.000-04:00
diff --git a/Zend/zend_hash.h b/Zend/zend_hash.h
@@ -331,7 +331,7 @@ END_EXTERN_C()
 				if (idx-1 > LONG_MAX) { /* overflow */						\
 					break;													\
 				}															\
-				idx = -idx;               									\
+				idx = 0 - idx;               									\
 			} else if (idx > LONG_MAX) { /* overflow */						\
 				break;														\
 			}																\
