Comment pthread_join()

- Blocks Android rendering
    - Unnecessary for GLUT/Linux renderer
    - Might need to be worked around for Mac tests

src/test/testdisk.c

@@ -1081,7 +1081,7 @@ void test_disk(int argc, char **argv) {
     if (begin_video) {
         video_main_loop();
     }
-    pthread_join(p, NULL);
+    //pthread_join(p, NULL);
 }
 
 #if !defined(__APPLE__)

src/test/testdisplay.c

@@ -469,7 +469,7 @@ void test_display(int argc, char **argv) {
     if (begin_video) {
         video_main_loop();
     }
-    pthread_join(p, NULL);
+    //pthread_join(p, NULL);
 }
 
 #if !defined(__APPLE__)

src/test/testvm.c

@@ -3485,7 +3485,7 @@ void test_vm(int argc, char **argv) {
     if (begin_video) {
         video_main_loop();
     }
-    pthread_join(p, NULL);
+    //pthread_join(p, NULL);
 }
 
 #if !defined(__APPLE__)