fixed linking bug (thanks Jacob Nixdorf) & iscntrl corner case

config.mk

@@ -16,7 +16,7 @@ XINERAMAFLAGS = -DXINERAMA
 
 # includes and libs
 INCS = -I${X11INC}
-LIBS = -L${X11LIB} -ldraw -lX11 ${XINERAMALIBS}
+LIBS = -L${X11LIB} -ldc -lX11 ${XINERAMALIBS}
 
 # flags
 CPPFLAGS = -D_BSD_SOURCE -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}

dmenu.c

@@ -230,7 +230,7 @@ keypress(XKeyEvent *ev) {
 	}
 	switch(ksym) {
 	default:
-		if(*buf)
+		if(!iscntrl(*buf))
 			insert(buf, strlen(buf));
 		break;
 	case XK_Delete: