Merge branch 'bugfix/xproxy-memleak' into 'master'

kasmxproxy: Fix cursor mem leak

See merge request kasm-technologies/internal/KasmVNC!140

unix/kasmxproxy/kasmxproxy.c

@@ -520,6 +520,8 @@ int main(int argc, char **argv) {
 			cursorhash = newhash;
 		}
 
+		XFree(cursor);
+
 		usleep(sleeptime);
 	}