qt_includes => tqt_includes conversion

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

configure.in.in

@@ -201,8 +201,8 @@ fi
 dnl Check for Qt
 AC_PATH_TQT
 
-if test -n "$qt_includes"; then
-  QNAMESPACE_H="$qt_includes/qnamespace.h"
+if test -n "$tqt_includes"; then
+  QNAMESPACE_H="$tqt_includes/qnamespace.h"
 fi
 AC_SUBST(QNAMESPACE_H)