[Tools] fix kconfig-frontends compiling issue under mac

tools/kconfig-frontends/SConstruct

@@ -4,7 +4,9 @@ env = Environment()
 env['CPPPATH'] = ['libs/parser', 'libs']
 env['CPPDEFINES'] = ['CURSES_LOC=\\"ncurses.h\\"', 'HAVE_CONFIG_H', 
     'ROOTMENU=\\"Configuration\\"', 
-    'CONFIG_=\\"CONFIG_\\"', 'GPERF_LEN_TYPE=uint']
+    'CONFIG_=\\"CONFIG_\\"', 
+    'KBUILD_NO_NLS',
+    'GPERF_LEN_TYPE=unsigned int']
 env['LIBS'] = ['ncurses']
 
 src = Split('''