Fix duplicate newline at end if using template

Author: mblaschke

goreplace.go

@@ -453,7 +453,7 @@ func actionProcessStdinTemplate(changesets []changeset) (int) {
     }
 
     content := parseContentAsTemplate(buffer.String(), changesets)
-    fmt.Println(content.String())
+    fmt.Print(content.String())
 
     return 0
 }

tests/main.t

@@ -350,3 +350,22 @@ Testing template mode:
   this is the second line
   this is the third foobar line
   this is the last line
+
+Testing template mode:
+
+  $ cat > test.txt <<EOF
+  > {{23 -}} < {{- 45}}
+  > {{.Arg.Foobar}}
+  > this is a testline
+  > this is the second line
+  > this is the third foobar line
+  > this is the last line
+  > EOF
+  $ cat test.txt | goreplace --mode=template --stdin -s Foobar -r ___xxx test.txt
+  23<45
+  ___xxx
+  this is a testline
+  this is the second line
+  this is the third foobar line
+  this is the last line
+