Fix some "no new line at end of file" warnings

src/burn/drv/pre90s/d_1942.cpp

@@ -1108,4 +1108,4 @@ struct BurnDriver BurnDrvNineteen42h = {
 	NULL, DrvhRomInfo, DrvhRomName, NULL, NULL, DrvInputInfo, DrvDIPInfo,
 	DrvInit, DrvExit, DrvFrame, NULL, DrvScan,
 	NULL, 0x600, 224, 256, 3, 4
-};
+};

src/burn/drv/pre90s/d_snk68.cpp

@@ -1928,4 +1928,4 @@ struct BurnDriver BurnDrvikari3k = {
 	NULL, ikari3kRomInfo, ikari3kRomName, NULL, NULL, IkariInputInfo, IkariDIPInfo,
 	ikari3Init, DrvExit, DrvFrame, DrvDraw, DrvScan,
 	&DrvRecalc, 0x800, 256, 224, 4, 3
-};
+};

src/burn/drv/pre90s/d_wc90b.cpp

@@ -1068,4 +1068,4 @@ struct BurnDriver BurnDrvWc90b4 = {
 	NULL, Wc90b4RomInfo, Wc90b4RomName, NULL, NULL, Wc90b1InputInfo, Wc90b1DIPInfo,
 	Wc90b1Init, Wc90b1Exit, Wc90b1Frame, NULL, Wc90b1Scan,
 	NULL, 0x400, 256, 224, 4, 3
-};
+};

src/burn/drv/sega/d_ybrd.cpp

@@ -2086,4 +2086,4 @@ struct BurnDriver BurnDrvStrkfgtrj = {
 	NULL, StrkfgtrjRomInfo, StrkfgtrjRomName, NULL, NULL, GlocInputInfo, StrkfgtrDIPInfo,
 	GlocInit, YBoardExit, YBoardFrame, NULL, YBoardScan,
 	NULL, 0x6000, 320, 224, 4, 3
-};
+};