Fix character encodings of st provided files.

example/lcd/stm32l_discovery_lcd.c

@@ -281,7 +281,7 @@ static void LCD_Conv_Char_Seg(uint8_t* c,bool point,bool column, uint8_t* digit)
       ch = star;
       break;
                   
-    case 'µ' :
+    case 'µ' :
       ch = C_UMAP;
       break;
     
@@ -301,7 +301,7 @@ static void LCD_Conv_Char_Seg(uint8_t* c,bool point,bool column, uint8_t* digit)
       ch = C_slatch;
       break;  
       
-    case '°' :
+    case '°' :
       ch = C_percent_1;
       break;  
     case '%' :

example/lcd/stm32l_discovery_lcd.h

@@ -85,7 +85,7 @@ MSB   { 1 , 1 , 0 , 0   }
 #define BAR3_ON t_bar[0]  |= 2 
 #define BAR3_OFF t_bar[0] &= ~2 
 
-/* code for 'µ' character */
+/* code for 'µ' character */
 #define C_UMAP 0x6084
 
 /* code for 'm' character */
@@ -103,7 +103,7 @@ MSB   { 1 , 1 , 0 , 0   }
 /* constant code for '/' */
 #define C_slatch  0x00c0
 
-/* constant code for ° */
+/* constant code for ° */
 #define C_percent_1 0xec00
 
 /* constant code  for small o */