Make connection states a proper type.

Change-Id: I809f9b327c832b88dd63151bf7dcb012d88e81c4
diff --git a/services.cpp b/services.cpp
index 8ce9f71..a9edbe5 100644
--- a/services.cpp
+++ b/services.cpp
@@ -516,7 +516,7 @@
 struct state_info {
     TransportType transport_type;
     char* serial;
-    int state;
+    ConnectionState state;
 };
 
 static void wait_for_state(int fd, void* cookie)
@@ -665,13 +665,13 @@
 
         if (!strncmp(name, "local", strlen("local"))) {
             sinfo->transport_type = kTransportLocal;
-            sinfo->state = CS_DEVICE;
+            sinfo->state = kCsDevice;
         } else if (!strncmp(name, "usb", strlen("usb"))) {
             sinfo->transport_type = kTransportUsb;
-            sinfo->state = CS_DEVICE;
+            sinfo->state = kCsDevice;
         } else if (!strncmp(name, "any", strlen("any"))) {
             sinfo->transport_type = kTransportAny;
-            sinfo->state = CS_DEVICE;
+            sinfo->state = kCsDevice;
         } else {
             if (sinfo->serial) {
                 free(sinfo->serial);