rename Library_comphelp.mk to Library_comphelper.mk...

... so the silly broken gb_Symbols_get_all enables debug for it.

comphelper/Module_comphelper.mk

@@ -30,7 +30,7 @@ $(eval $(call gb_Module_Module,comphelper))
 
 $(eval $(call gb_Module_add_targets,comphelper,\
     Package_inc \
-    Library_comphelp \
+    Library_comphelper \
 ))
 
 $(eval $(call gb_Module_add_subsequentcheck_targets,comphelper,\