[PATCH] build: add "set -e" to version script generation

[David Bremner]

It turns out that on certain systems like FreeBSD, c++filt is not
installed by default. It's basically OK if we fail the build in that
case, but what's really not OK is for the build to continue and
generate bad binaries.
---
 lib/gen-version-script.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/gen-version-script.sh b/lib/gen-version-script.sh
index 64a7374..aa1ca43 100644
--- a/lib/gen-version-script.sh
+++ b/lib/gen-version-script.sh
@@ -1,3 +1,4 @@
+set -e
 
 # we go through a bit of work to get the unmangled names of the
 # typeinfo symbols because of
-- 
2.1.4