[ortp] add missing patch

[Dan Horák]

commit e7c3e1fac95bde6567e1ce8a46015905f2b94630
Author: Dan Horák <dan at danny.cz>
Date:   Sat Sep 4 10:21:24 2010 +0200

    add missing patch

 ortp-0.16.1-retval.patch |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)
---
diff --git a/ortp-0.16.1-retval.patch b/ortp-0.16.1-retval.patch
new file mode 100644
index 0000000..679f8d7
--- /dev/null
+++ b/ortp-0.16.1-retval.patch
@@ -0,0 +1,20 @@
+diff -up ortp-0.16.1/src/stun.c.retval ortp-0.16.1/src/stun.c
+--- ortp-0.16.1/src/stun.c.retval	2010-09-04 10:14:53.000000000 +0200
++++ ortp-0.16.1/src/stun.c	2010-09-04 10:15:10.000000000 +0200
+@@ -1191,6 +1191,7 @@ stunRand(void)
+ 	int maxFd=0;
+ 	struct timeval tv;
+ 	int e;
++	int res;
+ 
+         int fd=open("/dev/random",O_RDONLY);
+ 
+@@ -1213,7 +1214,7 @@ stunRand(void)
+            closesocket(fd);
+ 	   return random();
+ 	}
+-	read(fd,&tick,sizeof(tick));
++	res = read(fd,&tick,sizeof(tick));
+ 	closesocket(fd);
+       }
+ #else