engines/: get rid of cvs warnings on MacOS X, proper clean in ccgost.

engines/.cvsignore

@@ -4,4 +4,5 @@ libs
 *.flc
 semantic.cache
 *.dll
+*.dylib
 *.s

engines/ccgost/.cvsignore

@@ -4,3 +4,4 @@ libs
 *.flc
 semantic.cache
 *.dll
+*.dylib

engines/ccgost/Makefile

@@ -85,7 +85,7 @@ dclean:
 	mv -f Makefile.new $(MAKEFILE)
 
 clean:
-	rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff *.so *.sl *.dll
+	rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff *.so *.sl *.dll *.dylib
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.