[gnome-code-assistance] Remove trailing whitespace from configure.ac

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 71d54e493de9ce5216fae1ec2c9e334e8ccd7a31
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sat Jan 10 14:08:55 2015 +0100

    Remove trailing whitespace from configure.ac

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d76adeb..c201925 100644
--- a/configure.ac
+++ b/configure.ac
@@ -454,7 +454,7 @@ if test "x$enable_vala" = "xauto"; then
 fi
 
 if test "x$enable_vala" != "xno"; then
-       
+
        if test "x$VALAC" = "x"; then
                AC_MSG_ERROR([Cannot find the "valac" compiler])
        else