Prepared qt config variables for the comming qt4.

- Changed SDECFG_PKG_QT_... into SDECFG_PKG_QT3_...

qt/qt3/qt3.conf

@@ -14,7 +14,7 @@
 # GNU General Public License can be found in the file COPYING.
 # --- SDE-COPYRIGHT-NOTE-END ---
 
-prefix="${SDECFG_PKG_QT_PREFIX:-usr}"
+prefix="${SDECFG_PKG_QT3_PREFIX:-usr}"
 if [ "$prefix" = "usr" ]; then
 	docdir=$docdir/$pkg
 fi
@@ -39,7 +39,7 @@ hook_add preconf 5 qt_preconf
 	[[ $libdir = *lib64* ]] &&
 		var_append confopt ' ' '-platform linux-g++-64'
 
-	[ "$SDECFG_PKG_QT_EXCEPTION_STL" = "0" ] &&
+	[ "$SDECFG_PKG_QT3_EXCEPTION_STL" = "0" ] &&
 	  var_append confopt " " "-no-g++-exceptions -no-stl"
 
 	if pkginstalled mysql; then