Fix regex error

Makefile

@@ -440,4 +440,4 @@ libagbsyscall:
 ###################
 
 $(SYM): $(ELF)
-	$(OBJDUMP) -t $< | sort -u | grep -E "^0[2389]" | $(PERL) -p -e 's/^(\w{8}) (\w).{6} \S+\t(\w{8}) (\w+)$$/\1 \2 \3 \4/g' > $@
+	$(OBJDUMP) -t $< | sort -u | grep -E "^0[2389]" | $(PERL) -p -e 's/^(\w{8}) (\w).{6} \S+\t(\w{8}) (\S+)$$/\1 \2 \3 \4/g' > $@