configure.ac: fix indent

Fix tab indents to be space based as they should, but keep the
effective indent at the level of the context it belongs to in
PKG_CHECK_MODULES.

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

diff --git a/configure.ac b/configure.ac
index 14f85ac..8918ef0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2361,7 +2361,7 @@ AC_ARG_WITH([libdpdk],
 
 if test "x$with_libdpdk" != "xno"; then
   PKG_CHECK_MODULES([DPDK], [libdpdk], [],
-                   [AC_MSG_NOTICE([no DPDK pkg-config, using defaults])])
+                    [AC_MSG_NOTICE([no DPDK pkg-config, using defaults])])
   if test "x$LIBDPDK_CPPFLAGS" = "x"; then
     LIBDPDK_CPPFLAGS="-I/usr/include/dpdk"
   fi