Remove bashisms from tests/check-namespace.sh
Stray errors were being reported on travis.ci because /bin/sh was not bash.
Fixes
@@ -93,7 +93,7 @@ filter_misc () {
ignore _gp
fi
- if [ ${os} == "solaris2.11" ]; then
+ if [ ${os} = "solaris2.11" ]; then
ignore _PROCEDURE_LINKAGE_TABLE_
ignore _etext
fi
