libril: Fix Const-Correctness for
 RIL_RadioFunctions

Re-add constant for function pointer table to
RIL_RadioFunctions. Const was accidentally removed
during a warnings cleanup.

Bug: 64231560
Test: compilation
Change-Id: I93675980c51d9162f624495d12fe3c97f1da8031
diff --git a/ril/libril/RilSapSocket.cpp b/ril/libril/RilSapSocket.cpp
index cf99773..f58d327 100644
--- a/ril/libril/RilSapSocket.cpp
+++ b/ril/libril/RilSapSocket.cpp
@@ -112,7 +112,7 @@
 }
 
 void RilSapSocket::initSapSocket(const char *socketName,
-        RIL_RadioFunctions *uimFuncs) {
+        const RIL_RadioFunctions *uimFuncs) {
 
     if (strcmp(socketName, RIL1_SERVICE_NAME) == 0) {
         if(!SocketExists(socketName)) {
@@ -146,7 +146,7 @@
 }
 
 void RilSapSocket::addSocketToList(const char *socketName, RIL_SOCKET_ID socketid,
-        RIL_RadioFunctions *uimFuncs) {
+        const RIL_RadioFunctions *uimFuncs) {
     RilSapSocket* socket = NULL;
     RilSapSocketList *current;
 
@@ -191,7 +191,7 @@
 
 RilSapSocket::RilSapSocket(const char *socketName,
         RIL_SOCKET_ID socketId,
-        RIL_RadioFunctions *inputUimFuncs):
+        const RIL_RadioFunctions *inputUimFuncs):
         RilSocket(socketName, socketId) {
     if (inputUimFuncs) {
         uimFuncs = inputUimFuncs;