Improve compatiblity with HPUX on Itanium, patch by Duraid Madina


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19586 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
index 8b282a0..d2a6741 100644
--- a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
+++ b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
@@ -461,7 +461,7 @@
 
 // int clock(void) - Profiling implementation
 GenericValue lle_i_clock(FunctionType *M, const vector<GenericValue> &Args) {
-  extern int clock(void);
+  extern unsigned int clock(void);
   GenericValue GV; GV.IntVal = clock();
   return GV;
 }