Allow typed main targets to have arbitrary suffix in the name, that does not

affect the names of the generated targets and only usefull for preventing
V2 from treating two independent targets as target alternatives.


[SVN r32720]

tools/build

@@ -1 +1 @@
-Subproject commit ea99292d820ccc95821aee5a73bf4642772117e9
+Subproject commit a73f7de23dcd57900204d68732bf607b4a878838