Whitespace corrections

Signed-off-by: Murray Calavera <murray.calavera@gmail.com>
diff --git a/src/weston-launch.c b/src/weston-launch.c
index 10c66de..52c89d3 100644
--- a/src/weston-launch.c
+++ b/src/weston-launch.c
@@ -114,7 +114,7 @@
 {
 	int n;
 	gid_t *groups;
-	
+
 	n = getgroups(0, NULL);
 
 	if (n < 0) {
@@ -174,7 +174,7 @@
 		free(session);
 	}
 #endif
-	
+
 	return false;
 }
 
@@ -224,7 +224,7 @@
 {
 	if (socketpair(AF_LOCAL, SOCK_SEQPACKET, 0, wl->sock) < 0)
 		error(1, errno, "socketpair failed");
-	
+
 	if (fcntl(wl->sock[0], F_SETFD, FD_CLOEXEC) < 0)
 		error(1, errno, "fcntl failed");
 
@@ -531,7 +531,7 @@
 			error(1, errno, "could not open tty0");
 
 		if (ioctl(tty0, VT_OPENQRY, &wl->ttynr) < 0 || wl->ttynr == -1)
-			error(1, errno, "failed to find non-opened console"); 
+			error(1, errno, "failed to find non-opened console");
 
 		snprintf(filename, sizeof filename, "/dev/tty%d", wl->ttynr);
 		wl->tty = open(filename, O_RDWR | O_NOCTTY);
@@ -680,7 +680,7 @@
 		{ "verbose", no_argument,       NULL, 'v' },
 		{ "help",    no_argument,       NULL, 'h' },
 		{ 0,         0,                 NULL,  0  }
-	};	
+	};
 
 	memset(&wl, 0, sizeof wl);