some pthread bugfixes in dectshark

git-svn-id: https://dedected.org/svn/trunk@101 8d8ab74c-27aa-4a3d-9bde-523a2bc1f624

com-on-air_cs-linux/tools/dectshark/scanmode_gui.cpp

@@ -4,6 +4,8 @@ found_dects	founds;
 
 scanmode_gui::scanmode_gui(int x,int y)
 {
+	pthread_mutex_init(&mutex,NULL);
+
 	selected=startpos=displaypos=0;
 
 	scrw=x;

com-on-air_cs-linux/tools/dectshark/syncmode_gui.cpp

@@ -10,6 +10,8 @@ syncmode_gui::syncmode_gui(int x,int y)
 {
 	int i;
 
+	pthread_mutex_init(&mutex,NULL);
+
 	selx=sely=0;
 
 	scrw=x;