Fix memory leak on jdwp_process_free()

if many jdwp connection are created(), the memory will be leaked.

When it deletes heap memory on jdwp_process_free(),
the proc->fde just set to null.

so it need to free() in fdevent_destory().
diff --git a/adb/fdevent.cpp b/adb/fdevent.cpp
index 45d33db..eeb2a9c 100644
--- a/adb/fdevent.cpp
+++ b/adb/fdevent.cpp
@@ -587,6 +587,7 @@
         FATAL("fde %p not created by fdevent_create()\n", fde);
     }
     fdevent_remove(fde);
+    free(fde);
 }
 
 void fdevent_install(fdevent *fde, int fd, fd_func func, void *arg)