[PATCH] Suppress GCC warnings like "the address of `u1' will always evaluate as `true'".

[Jamey Sharp]

Signed-off-by: Jamey Sharp <jamey at minilop.net>
---
 glx/unpack.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/glx/unpack.h b/glx/unpack.h
index a1dd17d..90cb71b 100644
--- a/glx/unpack.h
+++ b/glx/unpack.h
@@ -47,7 +47,7 @@
 ** Fetch a double from potentially unaligned memory.
 */
 #ifdef __GLX_ALIGN64
-#define __GLX_MEM_COPY(dst,src,n)	if (src && dst) memcpy(dst,src,n)
+#define __GLX_MEM_COPY(dst,src,n)	if (src != NULL && dst != NULL) memcpy(dst,src,n)
 #define __GLX_GET_DOUBLE(dst,src)	__GLX_MEM_COPY(&dst,src,8)
 #else
 #define __GLX_GET_DOUBLE(dst,src)	(dst) = *((GLdouble*)(src))
-- 
1.6.3.3