Use bool for boolean (GLYPH_DEBUG case).

* xdisp.c (trace_redisplay_p) [GLYPH_DEBUG]:
Use bool for boolean.
* dispextern.h (IF_DEBUG): Properly parenthesize and convert to void.
Args must now be expressions; all callers changed.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dispextern.h b/src/dispextern.h
index ded11e58dfb..d3ee2472dc6 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -139,7 +139,7 @@ enum window_part
 /* Macros to include code only if GLYPH_DEBUG is defined.  */
 
 #ifdef GLYPH_DEBUG
-#define IF_DEBUG(X)     (X)
+#define IF_DEBUG(X)     ((void) (X))
 #else
 #define IF_DEBUG(X)     ((void) 0)
 #endif