configure: fix typo in rcc code (fixes #12384)

Pointed-out-by: Paweł Stankowski

configure.ac

@@ -3769,7 +3769,7 @@ AS_IF([test "${enable_qt}" != "no"], [
       QT_PATH="$(eval $PKG_CONFIG --variable=exec_prefix Qt5Core)"
       QT_HOST_PATH="$(eval $PKG_CONFIG --variable=host_bins Qt5Core)"
       AC_PATH_PROGS(MOC, [moc-qt5 moc], moc, [${QT_HOST_PATH} ${QT_PATH}/bin ${CONTRIB_DIR}/bin])
-      AC_PATH_PROG(RCC, [rcc-qt5 rcc], rcc, [${QT_HOST_PATH} ${QT_PATH}/bin ${CONTRIB_DIR}/bin])
+      AC_PATH_PROGS(RCC, [rcc-qt5 rcc], rcc, [${QT_HOST_PATH} ${QT_PATH}/bin ${CONTRIB_DIR}/bin])
       AC_PATH_PROGS(UIC, [uic-qt5 uic], uic, [${QT_HOST_PATH} ${QT_PATH}/bin ${CONTRIB_DIR}/bin])
     ], [
       PKG_CHECK_MODULES([QT], [QtCore QtGui >= 4.6.0],, [