re-add "extern" accidentally removed by r1179448

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1179715 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/include/mpm_common.h b/include/mpm_common.h
index 7118351c309e20f0119ad0838d4632fa9bb0659e..53c286faf968c91150f894e527082b73c9e7c26d 100644 (file)
--- a/include/mpm_common.h
+++ b/include/mpm_common.h
@@ -314,7 +314,7 @@ AP_INIT_TAKE1("GracefulShutdownTimeout", ap_mpm_set_graceful_shutdown, NULL, \
 int ap_signal_server(int *, apr_pool_t *);
 void ap_mpm_rewrite_args(process_rec *);
 
-AP_DECLARE_DATA apr_uint32_t ap_max_mem_free;
+extern AP_DECLARE_DATA apr_uint32_t ap_max_mem_free;
 extern const char *ap_mpm_set_max_mem_free(cmd_parms *cmd, void *dummy,
                                            const char *arg);