[PATCH] doc: fix Makefile in 'Writing an LLVM Pass' page

This makes example Makefile a lot more like actual
lib/Transforms/Hello/Makefile, and prevents a lot of errors like "Assertion
`Inserted && "Pass registered multiple times!"' failed":

"Assertion `Inserted - Google Search"&qscrl=1

                Gregory

0001-doc-fix-Makefile-in-Writing-an-LLVM-Pass-page.patch (1.2 KB)

This makes example Makefile a lot more like actual
lib/Transforms/Hello/Makefile, and prevents a lot of errors like "Assertion
`Inserted && "Pass registered multiple times!"' failed":

"Assertion `Inserted - Google Search"&qscrl=1

           Gregory

0001-doc-fix-Makefile-in-Writing-an-LLVM-Pass-page.patch (1.2 KB)

Applied in r106471, thanks!