showUsage: cosmetics

try to keep the source close to 80 char also line up the options a bit
better in the source.

Author: N-R-K

src/options.c

@@ -515,10 +515,10 @@ void optionsParse(int argc, char *argv[])
 
 static void showUsage(void)
 {
-    fputs(/* Check that everything lines up after any changes. */
-        "usage:  " PACKAGE_NAME " [-bcfhimopuvz] [-a X,Y,W,H] [-C NAME] [-D DISPLAY]\n"
-        "              [-d SEC] [-e CMD] [-k OPT] [-l STYLE] [-M NUM]\n"
-        "              [-q NUM] [-s OPTS] [-t % | WxH] [[-F] FILE]\n",
+    fputs("usage:  " /* Check that everything lines up after any changes. */
+        PACKAGE_NAME " [-bcfhimopuvz] [-a X,Y,W,H] [-C NAME] [-D DISPLAY]\n"
+        "              [-d SEC] [-e CMD] [-k OPT] [-l STYLE] [-M NUM] [-q NUM]\n"
+        "              [-s OPTS] [-t % | WxH] [[-F] FILE]\n",
         stdout);
     exit(0);
 }