Fix QtBus detection with configure.

configure

@@ -4568,7 +4568,7 @@ case "x$enable_qt_dbus" in #(
   "xyes") :
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-               if test "x$x$with_qt5" == "xyes"; then :
+               if test "x$with_qt5" == "xyes"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Qt5DBus >= 5.2.0" >&5
 $as_echo_n "checking for Qt5DBus >= 5.2.0... " >&6; }
        if test -n "$PKG_CONFIG" && \

m4/qbittorrent.m4

@@ -49,7 +49,7 @@ AS_IF([test "x$QT_QMAKE" != "x"],
 # Sets the HAVE_QTDBUS variable to true or false.
 # --------------------------------------
 AC_DEFUN([FIND_QTDBUS],
-[AS_IF([test "x$x$with_qt5" == "xyes"],
+[AS_IF([test "x$with_qt5" == "xyes"],
        [AC_MSG_CHECKING([for Qt5DBus >= 5.2.0])
        PKG_CHECK_EXISTS([Qt5DBus >= 5.2.0],
                         [AC_MSG_RESULT([found])