Merge pull request WiringPi#364 from nds2204/patch-1

Update functions.md

Author: mstroh76

documentation/english/functions.md

@@ -793,7 +793,7 @@ Opens the specified SPI bus. The Raspberry Pi has 2 channels, 0 and 1. The speed
 ```C
 int wiringPiSPISetup (int channel, int speed);
 
-int wiringPiSPISetup (int channel, int speed, int mode);
+int wiringPiSPISetupMode (int channel, int speed, int mode);
 
 int wiringPiSPIxSetupMode(const int number, const int channel, const int speed, const int mode);
 ```