add exec

camera1/play-cam2.sh

@@ -1,2 +1,2 @@
 #!/bin/bash
-LD_LIBRARY_PATH=/usr/local/lib gst-launch-1.0 -ve tcpclientsrc host=192.168.2.209 port=5000 ! matroskademux ! h264parse ! omxh264dec ! glimagesink 
+LD_LIBRARY_PATH=/usr/local/lib exec gst-launch-1.0 -ve tcpclientsrc host=192.168.2.209 port=5000 ! matroskademux ! h264parse ! omxh264dec ! glimagesink