Unified library source formatting

Apply Astyle
Ensure all files have the same format (Unix)

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

src/STM32LowPower.h

@@ -43,7 +43,7 @@
 
 // Check if PWR HAL enable in variants/board_name/stm32yzxx_hal_conf.h
 #ifndef HAL_PWR_MODULE_ENABLED
-#error "PWR configuration is missing. Check flag HAL_PWR_MODULE_ENABLED in variants/board_name/stm32yzxx_hal_conf.h"
+  #error "PWR configuration is missing. Check flag HAL_PWR_MODULE_ENABLED in variants/board_name/stm32yzxx_hal_conf.h"
 #endif
 
 #include "STM32RTC.h"