libgo: fix Stat_t on AIX

Change-Id: Ib4515954041429c6f3c9aecffc53cb505aa5c649
Reviewed-on: https://go-review.googlesource.com/59911
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/libgo/mksysinfo.sh b/libgo/mksysinfo.sh
index fe0bb54..7a74269 100755
--- a/libgo/mksysinfo.sh
+++ b/libgo/mksysinfo.sh
@@ -462,6 +462,7 @@
          -e 's/st_ctim/Ctim/' \
          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
+         -e 's/\([^a-zA-Z0-9_]\)_st_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \