Bug#984331: sipxtapi: ftbfs with GCC-11

[Yavor Doganov]

Control: tags -1 + patch

Please find attached a patch.
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Description: Fix FTBFS with GCC 11+.
Bug-Debian: https://bugs.debian.org/984331
Author: Yavor Doganov <yavor at gnu.org>
Forwarded: no
Last-Update: 2023-12-18
---

--- sipxtapi-3.3.0~test18+dfsg.1.orig/sipXtackLib/src/net/SipMessage.cpp
+++ sipxtapi-3.3.0~test18+dfsg.1/sipXtackLib/src/net/SipMessage.cpp
@@ -3806,13 +3806,13 @@
             routeString.append(SIP_MULTIFIELD_SEPARATOR);
         }
         // Make sure the route is in name-addr format
-        if(strstr(routeUri,"<") <= 0)
+        if(!strstr(routeUri,"<"))
         {
             routeString.append("<");
         }
 
         routeString.append(routeUri);
-        if(strstr(routeUri, ">") <= 0)
+        if(!strstr(routeUri, ">"))
         {
             routeString.append(">");
         }