K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2020-04-16T23:31:39.562442Z
K 7
svn:log
V 328
[sh] Fix a "may be unused" warning on mips-gcc

mips-gcc for mips32 was complaining that c was potentially used before
being set.  Setting it to 0 before calling fdgetsc() looks like the right
thing to do in this instance; there's an explicit check for c == 0 later
on.

Tested: mips-gcc mips32 build, running /bin/sh on mips32

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