[fortran,patch] One-line fix to PR61454 (init expression simplification)

[FX]

In expr.c:scalarize_intrinsic_call(), we don't deal correctly with intrinsics 
that have an optional kind argument, while simplifying initialization 
expressions. The attached one-line patch fixes it, and adds a testcase so we 
don’t regress.

Bootstrapped and regtested on x86_64-apple-darwin13.
OK to commit?

FX

pr61454.diff
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pr61454.ChangeLog
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