[LyX/2.3.x] Check exit state of install_name_tool calls.

[Stephan Witt]

commit 1b55d4017b687309a28448742fd41adaf9563d7e
Author: Stephan Witt <sw...@lyx.org>
Date:   Fri Sep 21 21:47:29 2018 +0200

    Check exit state of install_name_tool calls.
    
    (cherry picked from commit 28b84f5ddc42d2b4ec973b0abd4f8f3608952c61)
---
 development/LyX-Mac-binary-release.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/development/LyX-Mac-binary-release.sh 
b/development/LyX-Mac-binary-release.sh
index 075677b..97dfe40 100644
--- a/development/LyX-Mac-binary-release.sh
+++ b/development/LyX-Mac-binary-release.sh
@@ -720,7 +720,7 @@ content_directory() {
 
 installname() {
                echo install_name_tool "$@"
-               install_name_tool "$@"
+               install_name_tool "$@" || exit 1
 }
 
 private_framework() {