DISCO_F303VC : wrong STDIO pins

Author: jeromecoutant

targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xC/TARGET_DISCO_F303VC/PinNames.h

@@ -181,12 +181,12 @@ typedef enum {
 #ifdef MBED_CONF_TARGET_STDIO_UART_TX
     STDIO_UART_TX = MBED_CONF_TARGET_STDIO_UART_TX,
 #else
-    STDIO_UART_TX = PA_2,
+    STDIO_UART_TX = PC_4,
 #endif
 #ifdef MBED_CONF_TARGET_STDIO_UART_RX
     STDIO_UART_RX = MBED_CONF_TARGET_STDIO_UART_RX,
 #else
-    STDIO_UART_RX = PA_3,
+    STDIO_UART_RX = PC_5,
 #endif
 
     // Generic signals namings