Add functions to Perl API for checking ZNC version.

git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@2185 726aef4b-f618-498e-8847-2d620e286838

modules/modperl/module.h

@@ -158,3 +158,19 @@ inline bool HaveCAres() {
 inline int _GetSOMAXCONN() {
 	return SOMAXCONN;
 }
+
+inline int GetVersionMajor() {
+	return VERSION_MAJOR;
+}
+
+inline int GetVersionMinor() {
+	return VERSION_MINOR;
+}
+
+inline double GetVersion() {
+	return VERSION;
+}
+
+inline CString GetVersionExtra() {
+	return VERSION_EXTRA;
+}