Include strings.h for strcasecmp

Our minimum requirement for X11 is currently Unix98.  Unix98 provides
strcasecmp in <strings.h>.  This commit fixes implicit declarations
of this function on systems that closely adhere to the standard.

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/main.c b/main.c
index 5190c49..5e6404c 100644
--- a/main.c
+++ b/main.c
@@ -24,6 +24,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <strings.h>
 #include <getopt.h>
 
 extern int num_ops;