STM32 lowputc: Fix an error in conditional compilation. From Sami Pelkonen

ChangeLog

@@ -7343,4 +7343,6 @@
 	* sched/sig_mqnotempty.c:  Test for a valid signal number is inverted; this
 	  function could not have been working correctly???  From eero.nurkkala
 	  (2014-5-20).
+	* arch/arm/src/stm32/stm32_lowputc.c:  Fix error in conditional compilation.
+	  From Sami PelKonen (2014-5-20).
 

arch/arm/src/stm32/stm32_lowputc.c

@@ -572,7 +572,7 @@ void stm32_lowsetup(void)
   uint32_t cr;
 #endif
 
-#if defined(CONFIG_HAVE_CONSOLE)
+#if defined(HAVE_CONSOLE)
   /* Enable USART APB1/2 clock */
 
   modifyreg32(STM32_CONSOLE_APBREG, 0, STM32_CONSOLE_APBEN);