Change one argument to use const. Matches better how function is called.

This commit was SVN r31741.

opal/datatype/opal_datatype_cuda.c

@@ -118,7 +118,7 @@ void *opal_cuda_memcpy(void *dest, const void *src, size_t size, opal_convertor_
  * datatypes.  The current code has macros that cannot handle a convertor
  * argument to the memcpy call.
  */
-void *opal_cuda_memcpy_sync(void *dest, void *src, size_t size)
+void *opal_cuda_memcpy_sync(void *dest, const void *src, size_t size)
 {
     int res;
     res = ftable.gpu_cu_memcpy(dest, src, size);

opal/datatype/opal_datatype_cuda.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2013 NVIDIA Corporation.  All rights reserved.
+ * Copyright (c) 2011-2014 NVIDIA Corporation.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -24,7 +24,7 @@ typedef struct opal_common_cuda_function_table opal_common_cuda_function_table_t
 void mca_cuda_convertor_init(opal_convertor_t* convertor, const void *pUserBuf);
 bool opal_cuda_check_bufs(char *dest, char *src);
 void* opal_cuda_memcpy(void * dest, const void * src, size_t size, opal_convertor_t* convertor);
-void* opal_cuda_memcpy_sync(void * dest, void * src, size_t size);
+void* opal_cuda_memcpy_sync(void * dest, const void * src, size_t size);
 void* opal_cuda_memmove(void * dest, void * src, size_t size);
 void opal_cuda_add_initialization_function(int (*fptr)(opal_common_cuda_function_table_t *));
 void opal_cuda_set_copy_function_async(opal_convertor_t* convertor, void *stream);