[hipcc] add missing header

Compilation failed on windows since 'stringsteam' is not defined.
On linux this error did not happen since 'stringstream' is indirectly
included through 'filesystem'

Fixes SWDEV-488401

Change-Id: I1306e5188132d3c681cf974a01140a97f2280d25

Author: jmmartinez

amd/hipcc/src/utils.cpp

@@ -21,6 +21,7 @@ typedef std::string::size_type TSIZE;
 #endif
 
 #include <iostream>
+#include <sstream>
 
 std::string hipcc::utils::getSelfPath() {
   constexpr size_t MAX_PATH_CHAR = 1024;