Fix reflection test failure on 32bit (#19885)

The bug here is that one of the pointers gets zero extended (isymb->first),
while the other (Fptr) gets sign extended, so comparing the two breaks down.
The simplest way to fix, is just to use the appropriate integer size for the
platform we're on.

src/disasm.cpp

@@ -235,13 +235,13 @@ void SymbolTable::insertAddress(uint64_t addr)
 // Create symbols for all addresses
 void SymbolTable::createSymbols()
 {
-    uint64_t Fptr = (uint64_t)MemObj.data();
-    uint64_t Fsize = MemObj.size();
+    uintptr_t Fptr = (uintptr_t)MemObj.data();
+    uintptr_t Fsize = MemObj.size();
     for (TableType::iterator isymb = Table.begin(), esymb = Table.end();
          isymb != esymb; ++isymb) {
         std::ostringstream name;
-        uint64_t rel = isymb->first - ip;
-        uint64_t addr = isymb->first;
+        uintptr_t rel = isymb->first - ip;
+        uintptr_t addr = isymb->first;
         if (Fptr <= addr && addr < Fptr + Fsize) {
             name << "L" << rel;
         }