[PATCH][fortran] PR 63701 Make sure variable is always used initialised

[Kyrill Tkachov]

Hi all,

As this trivial PR says, found is not initialised, later conditionally 
set to true in the for loop that follows and gcc_asserted in the end.
It is expected that the found = true; statement will always be hit, but 
in case something elsewhere goes wrong and it is not, we want the 
gcc_assert to
use a properly initialised found = false value.

Ok for trunk?

Thanks,
Kyrill

2014-11-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

     PR fortran/63701
     * trans-expr.c (gfc_get_tree_for_caf_expr): Initialise found to false.
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