Redefine GRPC_SLICE_MALLOC to use grpc_slice_malloc function instead of

designated initializers

include/grpc/slice.h

@@ -65,11 +65,11 @@ GPRAPI grpc_slice grpc_slice_new_with_len(void *p, size_t len,
 GPRAPI grpc_slice grpc_slice_malloc(size_t length);
 GPRAPI grpc_slice grpc_slice_malloc_large(size_t length);
 
-#define GRPC_SLICE_MALLOC(len)                                    \
+#define GRPC_SLICE_MALLOC(len) grpc_slice_malloc(len)
-  ((len) <= GRPC_SLICE_INLINED_SIZE                               \
+/*  ((len) <= GRPC_SLICE_INLINED_SIZE                               \
        ? (grpc_slice){.refcount = NULL,                           \
                       .data.inlined = {.length = (uint8_t)(len)}} \
-       : grpc_slice_malloc_large((len)))
+       : grpc_slice_malloc_large((len)))*/
 
 /** Intern a slice: