configure: add $(ZLIB_CFLAGS) to CONFIGURE_CFLAGS

As it is defined in CONFIGURE_CXXFLAGS.

diff --git a/configure b/configure
index b8a3ce768bc1ef44c4a4b56d5408879b2a42eab5..f4475814196d0cccc73c34734cbcc4ea43ef6423 100755 (executable)
--- a/configure
+++ b/configure
@@ -908,6 +908,7 @@ WITH_ZSH = ${WITH_ZSH}
 
 # Combined flags for compiling and linking against all of the above
 CONFIGURE_CFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS)      \\
+                  \$(ZLIB_CFLAGS)                                       \\
                   \$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND)   \\
                   \$(VALGRIND_CFLAGS)                                   \\
                   -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR)                 \\