[PATCH] run-command.c: Fix unused variables warning with gcc 4.6

[Michael Schubert <mschub@elegosoft.com>]

As of gcc 4.6 -Wall includes -Wunused-but-set-variable. Remove all
unused variables to prevent those warnings.

Signed-off-by: Michael Schubert <mschub@elegosoft.com>
---
 run-command.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/run-command.c b/run-command.c
index f91e446..6e0be54 100644
--- a/run-command.c
+++ b/run-command.c
@@ -67,21 +67,19 @@ static int child_notifier = -1;

 static void notify_parent(void)
 {
-	ssize_t unused;
-	unused = write(child_notifier, "", 1);
+	write(child_notifier, "", 1);
 }

 static NORETURN void die_child(const char *err, va_list params)
 {
 	char msg[4096];
-	ssize_t unused;
 	int len = vsnprintf(msg, sizeof(msg), err, params);
 	if (len > sizeof(msg))
 		len = sizeof(msg);

-	unused = write(child_err, "fatal: ", 7);
-	unused = write(child_err, msg, len);
-	unused = write(child_err, "\n", 1);
+	write(child_err, "fatal: ", 7);
+	write(child_err, msg, len);
+	write(child_err, "\n", 1);
 	exit(128);
 }
 #endif
-- 
1.7.4.4