File mlterm-pkgconfig.patch of Package mlterm

--- configure.in
+++ configure.in
@@ -46,6 +46,7 @@
 AC_SUBST(SOCK_LIBS)
 
 AC_PATH_XTRA
+PKG_PROG_PKG_CONFIG
 
 # Li18nux Xlib-I18N defines X_HAVE_UTF8_STRING but has no Xutf8LookupString.
 ldflags="$LDFLAGS" cflags="$CFLAGS"