Workaround a static data member bug in MSVC

Without this patch MSVC crashes when compiled
in release mode. It survives and works as
expected in debug mode and with gcc and Intel
compilers.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>

src/movepick.cpp

@@ -38,6 +38,7 @@ namespace {
 
   /// Variables
 
+  MovePicker::MovegenPhase PhaseTable[32];  
   int MainSearchPhaseIndex;
   int EvasionsPhaseIndex;
   int QsearchWithChecksPhaseIndex;
@@ -45,8 +46,6 @@ namespace {
 
 }
 
-// Static array definition
-MovePicker::MovegenPhase MovePicker::PhaseTable[32];
 
 
 ////
@@ -440,6 +439,9 @@ Move MovePicker::pick_move_from_list() {
   return MOVE_NONE;
 }
 
+MovePicker::MovegenPhase MovePicker::current_move_type() const {
+  return PhaseTable[phaseIndex];
+}
 
 /// MovePicker::init_phase_table() initializes the PhaseTable[],
 /// MainSearchPhaseIndex, EvasionPhaseIndex, QsearchWithChecksPhaseIndex