[PATCH 2/3] wmload: Fix -Wunused-result compiler warning.

[Doug Torrance]

Obtained from the Debian package [1].

[1] 
https://sources.debian.net/src/wmload/0.9.6-1/debian/patches/fix_unused_result.patch/
---
 wmload/wmload.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/wmload/wmload.c b/wmload/wmload.c
index c30f7bf..eeab18b 100644
--- a/wmload/wmload.c
+++ b/wmload/wmload.c
@@ -145,7 +145,9 @@ void ExecuteExternal()
        ruid = getuid();
        euid = geteuid();
        if ( ruid == euid ) {
-               system( Execute );
+               if (system( Execute ) == -1)
+                       fprintf(stderr, "system(%s) returned an error",
+                               Execute);
                return;
        }
        pid = fork();
@@ -171,7 +173,8 @@ void ExecuteExternal()
                                strerror(errno));
                exit(127);
        }
-       system( Execute );
+       if (system( Execute ) == -1)
+               fprintf(stderr, "system(%s) returned an error", Execute);
        exit(0);
 }
 int main(int argc,char *argv[])
-- 
2.1.4


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