Don't allow ciolib_initial_scaling to be less than 1.0 even if you

do math to get there.

src/conio/sdl_con.c

@@ -365,7 +365,7 @@ static int sdl_init_mode(int mode, bool init)
 			h *= ciolib_initial_scaling;
 			ciolib_initial_scaling = bitmap_double_mult_inside(w, h);
 		}
-		else {
+		if (ciolib_initial_scaling < 1.0) {
 			ciolib_initial_scaling = 1.0;
 		}
 	}

src/conio/win32gdi.c

@@ -840,7 +840,7 @@ gdi_thread(void *arg)
 				vstat.winheight *= ciolib_initial_scaling;
 				ciolib_initial_scaling = bitmap_double_mult_inside(vstat.winwidth, vstat.winheight);
 			}
-			else {
+			if (ciolib_initial_scaling < 1.0) {
 				ciolib_initial_scaling = 1.0;
 			}
 		}

src/conio/x_events.c

@@ -1243,7 +1243,7 @@ static int video_init()
 			if (x11_get_maxsize(&w, &h)) {
 				ciolib_initial_scaling = bitmap_double_mult_inside(w, h);
 			}
-			else {
+			if (ciolib_initial_scaling < 1.0) {
 				ciolib_initial_scaling = 1.0;
 			}
 		}