Add a precompiled header for RELs (#2597)

src/d/d_msg_string.cpp

@@ -3,6 +3,8 @@
 // Translation Unit: d/d_msg_string
 //
 
+#include "d/dolzel.h"
+
 #include "d/d_msg_string.h"
 #include "JSystem/J2DGraph/J2DTextBox.h"
 #include "d/d_msg_out_font.h"
@@ -99,4 +101,4 @@ void dMsgString_c::drawOutFontLocal(J2DTextBox* p_textBox, f32 i_alpha) {
 void dMsgString_c::drawFontLocal(J2DTextBox* p_textBox, u8 type, f32 posX, f32 posY,
                               f32 sizeX, f32 sizeY, u32 color, u8 alpha) {
     mpOutFont->drawFont(p_textBox, type, posX, posY, sizeX, sizeY, color, alpha);
-}
+}