[gnome-commander/gcmd-1-6] Fix poppler disabling option

[Uwe Scholz <uwescholz src gnome org>]

commit 437508c634cd80dde59d73dcc57f003de3465de5
Author: Rafael Fontenelle <rafaelff gnome org>
Date:   Sat Aug 12 19:05:10 2017 +0200

    Fix poppler disabling option
    
    Signed-off-by: Uwe Scholz <uwescholz src gnome org>

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e759663..1af28b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -291,7 +291,7 @@ fi
 
 
 dnl Check for poppler support
-AC_ARG_WITH(poppler, [  --without-poppler        disable PDF support])
+AC_ARG_WITH([poppler], [AS_HELP_STRING([--without-poppler], [disable PDF support])])
 have_pdf=no
 if test x$with_poppler != xno; then
     PKG_CHECK_MODULES(POPPLER, poppler-glib >= $POPPLER_REQ, have_pdf=yes, have_pdf=no)