Forgot to hide QMAKE_EXTRA_COMPILERS.

--HG--
branch : develop

src/app/tape/tape.pro

@@ -162,9 +162,9 @@ DIAGRAMS += \
     diagrams.input = DATA_RESOURCE # expects the name of a variable
     diagrams.output = ${QMAKE_FILE_BASE}.rcc
     diagrams.commands = $$shell_path($$[QT_INSTALL_BINS]/rcc) -binary -no-compress ${QMAKE_FILE_IN} -o $${OUT_PWD}/$${DESTDIR}/${QMAKE_FILE_OUT}
-}
 
 QMAKE_EXTRA_COMPILERS += diagrams
+}
 
 QMAKE_CLEAN += $${OUT_PWD}/$${DESTDIR}/diagrams.rcc