Add blank line before (x: T) in decompilation

Author: liufengyun

tests/run-with-compiler/i3876-c.check

@@ -4,6 +4,7 @@
   val f: scala.Function1[scala.Int, scala.Int] {
     def apply(x: scala.Int): scala.Int
   } = ((x: scala.Int) => x.+(x))
+
   (f: scala.Function1[scala.Int, scala.Int] {
     def apply(x: scala.Int): scala.Int
   }).apply(x$1)

tests/run-with-compiler/quote-nested-3.check

@@ -2,5 +2,6 @@
   type T = scala.Predef.String
   val x: java.lang.String = "foo"
   val z: T = x
+
   (x: java.lang.String)
 }

tests/run-with-compiler/quote-nested-4.check

@@ -1,4 +1,5 @@
 {
   val t: scala.quoted.Type[scala.Predef.String] = scala.quoted.Type.apply[scala.Predef.String]
+
   (t: scala.quoted.Type[scala.Predef.String])
 }

tests/run-with-compiler/quote-owners-2.check

@@ -4,9 +4,12 @@
     val a: immutable.List[scala.Int] = {
       type T = scala.List[scala.Int]
       val b: T = scala.Nil.::[scala.Int](3)
+
       (b: collection.immutable.List[scala.Int])
     }
+
     (a.head: scala.Int)
   }
+
   (ff: scala.Int)
 }

tests/run-with-compiler/quote-owners.check

@@ -4,5 +4,6 @@
     val a: scala.Int = 9
     a.+(0)
   }
+
   (ff: scala.Int)
 }

tests/run-with-compiler/quote-unrolled-foreach.check

@@ -69,6 +69,7 @@
   array.update(1, 2)
   array.update(2, 3)
   array.update(3, 4)
+
   (array: scala.Array[scala.Int])
 }
 
@@ -79,6 +80,7 @@
     array.update(1, 3)
     array.update(2, 4)
     array.update(3, 5)
+
     (array: scala.Array[scala.Int])
   }
   val size: scala.Int = arr1.length

tests/run-with-compiler/shonan-hmm-simple.check

@@ -13,6 +13,7 @@ Complex(4,3)
     sum = sum.+(arr1.apply(i).*(arr2.apply(i)))
     i = i.+(1)
   }
+
   (sum: scala.Int)
 })
 10

tests/run-with-compiler/shonan-hmm.check

@@ -25,6 +25,7 @@ List(25, 30, 20, 43, 44)
         sum = sum.+(v.apply(i$2).*(a.apply(i).apply(i$2)))
         i$2 = i$2.+(1)
       }
+
       (sum: scala.Int)
     })
     i = i.+(1)
@@ -232,6 +233,7 @@ List(25, 30, 20, 43, 44)
         sum = sum.+(v.apply(i).*(arr.apply(3).apply(i)))
         i = i.+(1)
       }
+
       (sum: scala.Int)
     })
     vout.update(4, v.apply(2).*(3).+(v.apply(4).*(7)))
@@ -261,6 +263,7 @@ List(25, 30, 20, 43, 44)
       }.apply(i)))
       i = i.+(1)
     }
+
     (sum: scala.Int)
   })
   vout.update(4, v.apply(2).*(3).+(v.apply(4).*(7)))
@@ -291,6 +294,7 @@ List(25, 30, 20, 43, 44)
         sum = sum.+(v.apply(i).*(row.apply(i)))
         i = i.+(1)
       }
+
       (sum: scala.Int)
     })
     vout.update(4, v.apply(2).*(3).+(v.apply(4).*(7)))