Use a string pool to reduce the memory footprint

git-svn-id: svn://svn.cc65.org/cc65/trunk@2197 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ld65/library.c

@@ -278,9 +278,13 @@ void LibAdd (FILE* F, const char* Name)
 
 	    /* We have the data now */
  	    O->Flags |= OBJ_HAVEDATA;
-
  	}
 
+        /* All references to strings are now resolved, so we can delete
+         * the module string pool.
+         */
+        FreeObjStrings (O);
+
  	/* Add a pointer to the library name */
  	O->LibName = LibName;
     }