Move PrependMainExecutablePath next to its only user.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183980 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Support/SystemUtils.h

@@ -19,7 +19,6 @@
 
 namespace llvm {
   class raw_ostream;
-  namespace sys { class Path; }
 
 /// Determine if the raw_ostream provided is connected to a terminal. If so,
 /// generate a warning message to errs() advising against display of bitcode
@@ -30,15 +29,6 @@ bool CheckBitcodeOutputToConsole(
   bool print_warning = true     ///< Control whether warnings are printed
 );
 
-/// PrependMainExecutablePath - Prepend the path to the program being executed
-/// to \p ExeName, given the value of argv[0] and the address of main()
-/// itself. This allows us to find another LLVM tool if it is built in the same
-/// directory. An empty string is returned on error; note that this function
-/// just mainpulates the path and doesn't check for executability.
-/// @brief Find a named executable.
-sys::Path PrependMainExecutablePath(const std::string &ExeName,
-                                    const char *Argv0, void *MainAddr);
-
 } // End llvm namespace
 
 #endif