Add missing targets for install/clean


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17090 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/runtime/GCCLibraries/crtend/Makefile.am b/runtime/GCCLibraries/crtend/Makefile.am
index 71bb077..8aca6ef 100644
--- a/runtime/GCCLibraries/crtend/Makefile.am
+++ b/runtime/GCCLibraries/crtend/Makefile.am
@@ -37,9 +37,13 @@
 all-am: $(AggregateLib)
 
 clean-am: clean-crtend
+
+clean-crtend:
 	$(RM) -f $(AggregateLib) *.bc
 
 install-am: install-crtend
+
+install-crtend:
 	$(INSTALL_DATA) '$(AggregateLib)' $(DESTDIR)$(libdir)
 
 MainObj      := crtend.bc listend.bc