Log message:
Pullup ticket #5841 - requested by ryo
lang/rust: build fix

Revisions pulled up:
- lang/rust/Makefile                                            1.53

-------------------------------------------------------------------
   Module Name:	pkgsrc
   Committed By:	ryoon
   Date:		Sun Oct  7 23:12:49 UTC 2018

   Modified Files:
   	pkgsrc/lang/rust: Makefile

   Log message:
   Try to fix "warning: duplicate script for target "pre-build" \ 
ignored"

   To generate a diff of this commit:
   cvs rdiff -u -r1.52 -r1.53 pkgsrc/lang/rust/Makefile