Link against libiconv on IRIX
Link against libiconv on IRIX

On IRIX, "-liconv" must be added to the linker command line in order to
get iconv(3) support; set the according Makefile variable appropriately.

Signed-off-by: Holger Weiß <f2dd0367ce064e03148d3b722c10cf0a59d01e6e@zedat.fu-berlin.de>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git