ext/zip: Add LIBZIP_CFLAGS to PHP's header search path

Author: hughmcmaster

ext/zip/config.m4

@@ -6,6 +6,7 @@ PHP_ARG_WITH([zip],
 if test "$PHP_ZIP" != "no"; then
   PKG_CHECK_MODULES([LIBZIP], [libzip >= 1.0.1])
 
+  PHP_EVAL_INCLINE($LIBZIP_CFLAGS)
   PHP_EVAL_LIBLINE($LIBZIP_LIBS, ZIP_SHARED_LIBADD)
 
   PHP_CHECK_LIBRARY(zip, zip_file_set_encryption,