[Glide64] Fix some warnings

Source/Glide64/rdp.cpp

@@ -2633,7 +2633,7 @@ static void rdp_setcolorimage()
         {
             if (rdp.ci_count == 0)
             {
-                if ((rdp.ci_status == ci_aux)) //for PPL
+                if (rdp.ci_status == ci_aux) //for PPL
                 {
                     float sx = rdp.scale_x;
                     float sy = rdp.scale_y;

Source/Glide64/ucodeFB.h

@@ -62,7 +62,7 @@ static void fb_bg_copy()
     if (rdp.main_ci == 0)
         return;
     CI_STATUS status = rdp.frame_buffers[rdp.ci_count - 1].status;
-    if ((status == ci_copy))
+    if (status == ci_copy)
         return;
 
     uint32_t addr = segoffset(rdp.cmd1) >> 1;