Rename move.cpp to notation.cpp

No functional change.

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

src/Makefile

@@ -32,7 +32,7 @@ PGOBENCH = ./$(EXE) bench 32 1 10 default depth
 
 ### Object files
 OBJS = benchmark.o bitbase.o bitboard.o book.o endgame.o evaluate.o main.o \
-	material.o misc.o move.o movegen.o movepick.o pawns.o position.o \
+	material.o misc.o movegen.o movepick.o notation.o pawns.o position.o \
 	search.o thread.o timeman.o tt.o uci.o ucioption.o
 
 ### ==========================================================================