$NetBSD: patch-external_SDL__ttf_configure,v 1.1 2019/07/01 15:13:20 nia Exp $

Fix shell script portability.

--- external/SDL_ttf/configure.orig	2018-12-23 19:11:38.000000000 +0000
+++ external/SDL_ttf/configure
@@ -13549,14 +13549,14 @@ $as_echo "yes" >&6; }
 fi
 fi
 
-if test "x$have_raqm" == "xyes"; then
+if test "x$have_raqm" = "xyes"; then
     $as_echo "#define HAVE_RAQM 1" >>confdefs.h
 
     CFLAGS="$CFLAGS $RAQM_CFLAGS"
     LIBS="$LIBS $RAQM_LIBS"
 
 fi
- if test "x$have_raqm" == "xyes"; then
+ if test "x$have_raqm" = "xyes"; then
   HAVE_RAQM_TRUE=
   HAVE_RAQM_FALSE='#'
 else