small fix for alsamixergui

package/alsamixergui/alsamixergui.mk

@@ -10,7 +10,7 @@ ALSAMIXERGUI_AUTORECONF = YES
 ALSAMIXERGUI_INSTALL_STAGING = NO
 ALSAMIXERGUI_INSTALL_TARGET = YES
 
-ALSAMIXERGUI_CONF_OPT = LDFLAGS="-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/avr32-linux-uclibc/lib -lstdc++"
+ALSAMIXERGUI_CONF_OPT = LDFLAGS="-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/avr32-linux-uclibc/lib -lstdc++ -lX11"
 
 ALSAMIXERGUI_DEPENDENCIES = uclibc fltk