Make System() prototype for Solaris in xsm.h actually a prototype

Fixes gcc warning:
xsm.h:217: warning: function declaration isn't a prototype

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/xsm.h b/xsm.h
index 75e7479..c9412f7 100644
--- a/xsm.h
+++ b/xsm.h
@@ -214,7 +214,7 @@ extern FILE *fdopen(int, char const *);
 #endif
 
 #if defined(sun) && defined(SVR4)
-extern int System();
+extern int System(char *s);
 #define system(s) System(s)
 #endif