[gtk/gtk-3-24] meson: underscorify immodule name when using it as a macro name

[Christoph Reiter <creiter src gnome org>]

commit 0f957ca4f7bcd353766805d50a6a9bd0e13f850e
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Fri Apr 12 20:53:21 2019 +0200

    meson: underscorify immodule name when using it as a macro name
    
    This resulted in -DINCLUDE_IM_ti-et getting passed to gcc resulting in
    lots of warnings. Use underscorify() so we get the correct -DINCLUDE_IM_ti_et instead.

 gtk/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/meson.build b/gtk/meson.build
index 93e029f42c..ac8c1a9926 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -952,7 +952,7 @@ foreach l: immodules
   cflags = l.get(3, [])
 
   if cond and builtin_immodules
-    gtk_cargs += ['-DINCLUDE_IM_@0@'.format(name)]
+    gtk_cargs += ['-DINCLUDE_IM_@0@'.format(name.underscorify())]
     mod = static_library('staticimmodule-@0@'.format(name),
                          sources + gtk_dep_sources,
                          dependencies: gtk_deps + [libgdk_dep] ,