VDSO: Fixes a pretty nasty bug where we were never using the host VDSO

This must have happened during a refactor or something, but since we're
making a copy of the function pointers, it would have only gotten the
version /prior/ to loading host VDSO symbols.

Moves the VDSO thunk definition setting to the end after VDSO symbol
definitions in order to get host VDSO symbols working again.

Source/Tools/LinuxEmulation/VDSO_Emulation.cpp

@@ -608,26 +608,9 @@ VDSOMapping LoadVDSOThunks(bool Is64Bit, FEX::HLE::SyscallHandler* const Handler
   fextl::string ThunkGuestPath {};
   if (Is64Bit) {
     ThunkGuestPath = fextl::fmt::format("{}/libVDSO-guest.so", ThunkGuestLibs());
-
-    // Set the Thunk definition pointers for x86-64
-    VDSODefinitions[0].ThunkFunction = FEX::VDSO::x64::Handler_time;
-    VDSODefinitions[1].ThunkFunction = FEX::VDSO::x64::Handler_gettimeofday;
-    VDSODefinitions[2].ThunkFunction = FEX::VDSO::x64::Handler_clock_gettime;
-    VDSODefinitions[3].ThunkFunction = FEX::VDSO::x64::Handler_clock_gettime;
-    VDSODefinitions[4].ThunkFunction = FEX::VDSO::x64::Handler_clock_getres;
-    VDSODefinitions[5].ThunkFunction = FEX::VDSO::x64::Handler_getcpu;
   } else {
     ThunkGuestPath = fextl::fmt::format("{}/libVDSO-guest.so", ThunkGuestLibs32());
-
-    // Set the Thunk definition pointers for x86
-    VDSODefinitions[0].ThunkFunction = FEX::VDSO::x32::Handler_time;
-    VDSODefinitions[1].ThunkFunction = FEX::VDSO::x32::Handler_gettimeofday;
-    VDSODefinitions[2].ThunkFunction = FEX::VDSO::x32::Handler_clock_gettime;
-    VDSODefinitions[3].ThunkFunction = FEX::VDSO::x32::Handler_clock_gettime64;
-    VDSODefinitions[4].ThunkFunction = FEX::VDSO::x32::Handler_clock_getres;
-    VDSODefinitions[5].ThunkFunction = FEX::VDSO::x32::Handler_getcpu;
   }
-
   // Load VDSO if we can
   int VDSOFD = ::open(ThunkGuestPath.c_str(), O_RDONLY);
 
@@ -655,6 +638,24 @@ VDSOMapping LoadVDSOThunks(bool Is64Bit, FEX::HLE::SyscallHandler* const Handler
     LoadUnique32BitSigreturn(&Mapping);
   }
 
+  if (Is64Bit) {
+    // Set the Thunk definition pointers for x86-64
+    VDSODefinitions[0].ThunkFunction = FEX::VDSO::x64::Handler_time;
+    VDSODefinitions[1].ThunkFunction = FEX::VDSO::x64::Handler_gettimeofday;
+    VDSODefinitions[2].ThunkFunction = FEX::VDSO::x64::Handler_clock_gettime;
+    VDSODefinitions[3].ThunkFunction = FEX::VDSO::x64::Handler_clock_gettime;
+    VDSODefinitions[4].ThunkFunction = FEX::VDSO::x64::Handler_clock_getres;
+    VDSODefinitions[5].ThunkFunction = FEX::VDSO::x64::Handler_getcpu;
+  } else {
+    // Set the Thunk definition pointers for x86
+    VDSODefinitions[0].ThunkFunction = FEX::VDSO::x32::Handler_time;
+    VDSODefinitions[1].ThunkFunction = FEX::VDSO::x32::Handler_gettimeofday;
+    VDSODefinitions[2].ThunkFunction = FEX::VDSO::x32::Handler_clock_gettime;
+    VDSODefinitions[3].ThunkFunction = FEX::VDSO::x32::Handler_clock_gettime64;
+    VDSODefinitions[4].ThunkFunction = FEX::VDSO::x32::Handler_clock_getres;
+    VDSODefinitions[5].ThunkFunction = FEX::VDSO::x32::Handler_getcpu;
+  }
+
   return Mapping;
 }