Fix style for else statement (kodecocodes#244)

Even though the else statement being on a new line is technically “Not Preferred” the styling for the else statement is not what is being demonstrated, and so it should not differ between the “Preferred” and “Not Preferred” examples.

README.markdown

@@ -822,12 +822,10 @@ func computeFFT(context: Context?, inputData: InputData?) throws -> Frequencies
       // use context and input to compute the frequencies
 
       return frequencies
-    }
-    else {
+    } else {
       throw FFTError.noInputData
     }
-  }
-  else {
+  } else {
     throw FFTError.noContext
   }
 }
@@ -851,16 +849,13 @@ if let number1 = number1 {
   if let number2 = number2 {
     if let number3 = number3 {
       // do something with numbers
-    }
-    else {
+    } else {
       fatalError("impossible")
     }
-  }
-  else {
+  } else {
     fatalError("impossible")
   }
-}
-else {
+} else {
   fatalError("impossible")
 }
 ```