cosider different size of size_t type on 32bits and 64bits arches

src/ncmpcpp.cpp

@@ -1789,7 +1789,7 @@ int main(int argc, char *argv[])
 				size_t number = StrToLong(wFooter->GetString());
 				UnlockStatusbar();
 				if (number && Mpd->AddRandomSongs(number))
-					ShowMessage("%lu random song%s added to playlist!", number, number == 1 ? "" : "s");
+					ShowMessage(SIZE_T_FORMAT " random song%s added to playlist!", number, number == 1 ? "" : "s");
 			}
 			else if (myScreen == myBrowser)
 			{

src/window.cpp

@@ -860,7 +860,7 @@ Window &Window::operator<<(const wstring &ws)
 
 Window &Window::operator<<(size_t s)
 {
-	wprintw(itsWindow, "%u", s);
+	wprintw(itsWindow, SIZE_T_FORMAT, s);
 	return *this;
 }
 

src/window.h

@@ -32,6 +32,12 @@
 #include <vector>
 #include <string>
 
+# if defined(__WORDSIZE) && __WORDSIZE == 64
+# define SIZE_T_FORMAT "%lu"
+#else
+# define SIZE_T_FORMAT "%u"
+#endif
+
 #if defined(__GNUC__) && __GNUC__ >= 3
 # define GNUC_UNUSED __attribute__((unused))
 # define GNUC_PRINTF(a, b) __attribute__((format(printf, a, b)))