Merge pull request #25 from democat3457/update-print

Update error print

orin.c

@@ -2194,7 +2194,7 @@ int gpioSetPWMfrequency(unsigned gpio, unsigned frequency) {
       printf("Only gpio numbers 15, 32 and 33 are accepted\n");
     }		
   }
-  else {printf("Only frequencies from 400 to 1595000 Hz are allowed\n");
+  else {printf("Only frequencies from 50 to 1595000 Hz are allowed\n");
     status =-2;}
   return status;
 }