winedbg: Replace packet_realloc() with realloc().

programs/winedbg/gdbproxy.c

@@ -705,20 +705,12 @@ static int addr_width(struct gdb_context* gdbctx)
 enum packet_return {packet_error = 0x00, packet_ok = 0x01, packet_done = 0x02,
                     packet_last_f = 0x80};
 
-static char* packet_realloc(char* buf, int size)
-{
-    if (!buf)
-        return HeapAlloc(GetProcessHeap(), 0, size);
-    return HeapReAlloc(GetProcessHeap(), 0, buf, size);
-
-}
-
 static void packet_reply_grow(struct gdb_context* gdbctx, size_t size)
 {
     if (gdbctx->out_buf_alloc < gdbctx->out_len + size)
     {
         gdbctx->out_buf_alloc = ((gdbctx->out_len + size) / 32 + 1) * 32;
-        gdbctx->out_buf = packet_realloc(gdbctx->out_buf, gdbctx->out_buf_alloc);
+        gdbctx->out_buf = realloc(gdbctx->out_buf, gdbctx->out_buf_alloc);
     }
 }
 
@@ -2096,7 +2088,7 @@ static int fetch_data(struct gdb_context* gdbctx)
     {
 #define STEP 128
         if (gdbctx->in_len + STEP > gdbctx->in_buf_alloc)
-            gdbctx->in_buf = packet_realloc(gdbctx->in_buf, gdbctx->in_buf_alloc += STEP);
+            gdbctx->in_buf = realloc(gdbctx->in_buf, gdbctx->in_buf_alloc += STEP);
 #undef STEP
         len = recv(gdbctx->sock, gdbctx->in_buf + gdbctx->in_len, gdbctx->in_buf_alloc - gdbctx->in_len - 1, 0);
         if (len <= 0) break;