swaybar: make status block text render in the same way as others

Other components like workspace button, status line (error or plain
text) already render text at integer coords. This make status block
also render text at integer coords.

swaybar/render.c

@@ -263,7 +263,8 @@ static uint32_t render_status_block(cairo_t *cairo,
 	} else if (strncmp(block->align, "center", 6) == 0) {
 		offset = x_pos + (width - text_width) / 2;
 	}
-	cairo_move_to(cairo, offset, height / 2.0 - text_height / 2.0);
+	double text_y = height / 2.0 - text_height / 2.0;
+	cairo_move_to(cairo, offset, (int)floor(text_y));
 	uint32_t color = block->color ?  *block->color : config->colors.statusline;
 	color = block->urgent ? config->colors.urgent_workspace.text : color;
 	cairo_set_source_u32(cairo, color);
@@ -286,7 +287,8 @@ static uint32_t render_status_block(cairo_t *cairo,
 		}
 		if (config->sep_symbol) {
 			offset = x_pos + (sep_block_width - sep_width) / 2;
-			cairo_move_to(cairo, offset, height / 2.0 - sep_height / 2.0);
+			double sep_y = height / 2.0 - sep_height / 2.0;
+			cairo_move_to(cairo, offset, (int)floor(sep_y));
 			pango_printf(cairo, config->font, output->scale, false,
 					"%s", config->sep_symbol);
 		} else {