[gtksourceview] m4: Fix AM_PROG_VALAC macro to take 3 parameters instead of 1

[Philip Withnall <pwithnall src gnome org>]

commit 35a95659f83c41835829cf1eb19719e174902460
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Fri Nov 15 11:53:52 2013 +0000

    m4: Fix AM_PROG_VALAC macro to take 3 parameters instead of 1
    
    The AM_PROG_VALAC automake macro has been able to take 3 parameters (1
    mandatory, 2 optional) for a while, just like AM_PATH_PYTHON.
    
    See:
    http://www.gnu.org/software/automake/manual/html_node/Vala-Support.html#index-AM_005fPROG_005fVALAC
    
    https://bugzilla.gnome.org/show_bug.cgi?id=712361

 data/language-specs/m4.lang |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/language-specs/m4.lang b/data/language-specs/m4.lang
index 9be40ba..e695c51 100644
--- a/data/language-specs/m4.lang
+++ b/data/language-specs/m4.lang
@@ -143,7 +143,7 @@
         ICONV|
         INIT_AUTOMAKE|
         MAINTAINER_MODE|
-        PROG_(?:UPC|VALAC)|
+        PROG_UPC|
         SUBST_NOTMAKE|
         XGETTEXT_OPTION)|
       LT_(?:INIT|LANG|PREREQ)|
@@ -237,7 +237,7 @@
         ERLANG_CHECK_LIB|
         FC_(?:LINE_LENGTH|SRCEXT))|
       AS_VAR_SET_IF|
-      AM_(?:COND_IF|PATH_PYTHON)|
+      AM_(?:COND_IF|PATH_PYTHON|PROG_VALAC)|
       PKG_CHECK_EXISTS
     </define-regex>
     <define-regex id="macros-mmmm" extended="true">