Added missing endif that was accidentially removed in commit 0524008#diff-ddd77aecb16ad4a70bea9989e9fd8022 (#339)

EndlessDelirium · sandeepmistry · commit acd234f3ec70 · 2019-02-07T06:19:51.000-05:00
diff --git a/libraries/SPI/SPI.h b/libraries/SPI/SPI.h
@@ -155,3 +155,5 @@ extern SPIClass SPI1;
 #define SPI_CLOCK_DIV64  64 * DIVISOR
 #define SPI_CLOCK_DIV128 128 * DIVISOR
 #endif
+
+#endif
