toString( int ) uses hex for large values

now matches behaviour of unsigned int

include/internal/catch_tostring.hpp

@@ -98,7 +98,10 @@ std::string toString( wchar_t* const value )
 
 std::string toString( int value ) {
     std::ostringstream oss;
-    oss << value;
+    if( value > 8192 )
+        oss << "0x" << std::hex << value;
+    else
+        oss << value;
     return oss.str();
 }
 

projects/SelfTest/Baselines/console.sw.approved.txt

@@ -3398,7 +3398,7 @@ MiscTests.cpp:<line number>:
 PASSED:
   REQUIRE( Factorial(10) == 3628800 )
 with expansion:
-  0x<hex digits> == 3628800
+  0x<hex digits> == 0x<hex digits>
 
 -------------------------------------------------------------------------------
 An empty test with no assertions

projects/SelfTest/Baselines/xml.sw.approved.txt

@@ -3519,7 +3519,7 @@
           Factorial(10) == 3628800
         </Original>
         <Expanded>
-          0x<hex digits> == 3628800
+          0x<hex digits> == 0x<hex digits>
         </Expanded>
       </Expression>
       <OverallResult success="true"/>