More work to make libRS buildable on the host.

Change-Id: I239585ef7c1334f7fc19fa6423535dea7b9a753f
diff --git a/libs/rs/rsProgramVertex.cpp b/libs/rs/rsProgramVertex.cpp
index e6790cb..058a456 100644
--- a/libs/rs/rsProgramVertex.cpp
+++ b/libs/rs/rsProgramVertex.cpp
@@ -223,8 +223,8 @@
 namespace renderscript {
 
 RsProgramVertex rsi_ProgramVertexCreate(Context *rsc, const char * shaderText,
-                             uint32_t shaderLength, const uint32_t * params,
-                             uint32_t paramLength) {
+                             size_t shaderLength, const uint32_t * params,
+                             size_t paramLength) {
     ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength, params, paramLength);
     pv->incUserRef();
     return pv;