FreeBSD/src 3cd49af (r336322)lib/libiconv_modules/mapper_std citrus_mapper_std.c

MFC r336115;
libiconv: correct undefined behavior.

Detected on NetBSD:
# nm /usr/lib/libc.so|grep sanit
    /public/src.git/lib/libc/citrus/modules/citrus_mapper_std.c:173:8:
runtime error: left shift of 1 by 31 places cannot be represented in type 'int'

Obtained from:  NetBSD (CVS Rev. 1.11)
DeltaFile
+2-2lib/libiconv_modules/mapper_std/citrus_mapper_std.c
+2-21 files

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