[devhelp] build: remove blank line

[Sébastien Wilmet <swilmet src gnome org>]

commit 96c62a5a838c8c8b674142f8be0bc5b1c7f56b6a
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Mar 1 14:18:13 2017 +0100

    build: remove blank line
    
    At other places in configure.ac, AX_REQUIRE_DEFINED is always collapsed
    to the call to the macro.

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d75a42c..1e8aa5d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,7 +55,6 @@ AX_COMPILER_FLAGS
 LT_LIB_M
 
 AX_REQUIRE_DEFINED([PKG_CHECK_MODULES])
-
 PKG_CHECK_MODULES(DEVHELP, [
   gio-2.0 >= 2.38
   gtk+-3.0 >= 3.20