@@ -11,10 +11,11 @@
        OFExceptions.m		\
        OFFile.m			\
        OFHashes.m		\
        OFIterator.m		\
        OFList.m			\
+       OFMutableString.m	\
        OFNumber.m		\
        OFObject.m		\
        ${OFPLUGIN_M}		\
        OFStream.m		\
        OFString.m		\