[valadoc] build: Follow VALA_FLAGS renaming

[Rico Tzschichholz <ricotz src gnome org>]

commit 006def703f4faafd359f4e8fb785dfbf64021af5
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Jan 16 20:01:30 2014 +0100

    build: Follow VALA_FLAGS renaming

 src/driver/0.14.x/Makefile.am |    4 ++--
 src/driver/0.16.x/Makefile.am |    2 +-
 src/driver/0.18.x/Makefile.am |    4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/src/driver/0.14.x/Makefile.am b/src/driver/0.14.x/Makefile.am
index c153166..95ea424 100644
--- a/src/driver/0.14.x/Makefile.am
+++ b/src/driver/0.14.x/Makefile.am
@@ -3,11 +3,11 @@ NULL =
 VERSIONED_VAPI_DIR=`pkg-config libvala-0.14 --variable vapidir`
 
 if HAVE_LIBVALA_0_13_0
-VALA_FLAGS = -D VALA_0_13_0
+VALAFLAGS = -D VALA_0_13_0
 endif
 
 if HAVE_LIBVALA_0_13_1
-VALA_FLAGS = -D VALA_0_13_1
+VALAFLAGS = -D VALA_0_13_1
 endif
 
 AM_CFLAGS = \
diff --git a/src/driver/0.16.x/Makefile.am b/src/driver/0.16.x/Makefile.am
index 27eb799..378b676 100644
--- a/src/driver/0.16.x/Makefile.am
+++ b/src/driver/0.16.x/Makefile.am
@@ -3,7 +3,7 @@ NULL =
 VERSIONED_VAPI_DIR=`pkg-config libvala-0.16 --variable vapidir`
 
 if HAVE_LIBVALA_0_15_0
-VALA_FLAGS = -D VALA_0_15_0
+VALAFLAGS = -D VALA_0_15_0
 endif
 
 AM_CFLAGS = \
diff --git a/src/driver/0.18.x/Makefile.am b/src/driver/0.18.x/Makefile.am
index e1f0637..4fec9b1 100644
--- a/src/driver/0.18.x/Makefile.am
+++ b/src/driver/0.18.x/Makefile.am
@@ -3,11 +3,11 @@ NULL =
 VERSIONED_VAPI_DIR=`pkg-config libvala-0.18 --variable vapidir`
 
 if HAVE_LIBVALA_0_17_0
-VALA_FLAGS = -D VALA_0_17_0
+VALAFLAGS = -D VALA_0_17_0
 endif
 
 if HAVE_LIBVALA_0_17__1_3
-VALA_FLAGS = -D VALA_0_17__1_3
+VALAFLAGS = -D VALA_0_17__1_3
 endif
 
 AM_CFLAGS = \