[PATCH] x86: Remove unnecessary res variable from efi_map_added

[Simon Horman]

gcc 4.9.1 tells me this variable is set but unused

Signed-off-by: Simon Horman <horms at verge.net.au>
---
 kexec/arch/i386/kexec-x86-common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kexec/arch/i386/kexec-x86-common.c b/kexec/arch/i386/kexec-x86-common.c
index bc622e9..3624192 100644
--- a/kexec/arch/i386/kexec-x86-common.c
+++ b/kexec/arch/i386/kexec-x86-common.c
@@ -293,10 +293,10 @@ again:
  * @return 1 if parameter is present, 0 if not or if an error occurs.
  */
 int efi_map_added( void ) {
-	char buf[512], *res;
+	char buf[512];
 	FILE *fp = fopen( "/proc/cmdline", "r" );
 	if( fp ) {
-		res = fgets( buf, 512, fp );
+		fgets( buf, 512, fp );
 		fclose( fp );
 		return strstr( buf, "add_efi_memmap" ) != NULL;
 	} else {
-- 
2.1.4