File iprutils.fix_ncurses_cflags_var.patch of Package iprutils.11553

diff -ur iprutils-2.4.17.1/configure.ac iprutils-2.4.17.1.mod/configure.ac
--- iprutils-2.4.17.1/configure.ac	2018-10-30 15:16:14.000000000 +0100
+++ iprutils-2.4.17.1.mod/configure.ac	2018-10-31 16:07:31.459599362 +0100
@@ -140,7 +140,7 @@
 fi
 
 if test -n ${ncurses_config}; then
-  ncurses_include=$(${ncurses_config} --cflags)
+  ncurses_include="$(${ncurses_config} --cflags)"
 
   if test -n "${ncurses_include}"; then
     CFLAGS="${CFLAGS} ${ncurses_include}"