Fix compiling tests/vibe.core.process.d for versions < 2080

tests/vibe.core.process.d

@@ -5,8 +5,6 @@ dependency "vibe-core" path="../"
 +/
 module test;
 
-static if (__VERSION__ >= 2080) {
-
 import core.thread;
 import vibe.core.log;
 import vibe.core.core;
@@ -179,6 +177,7 @@ void testLineEndings()
 
 void main()
 {
+    static if (__VERSION__ >= 2080) {
         runTask({
             auto tasks = [
                 &testEcho,
@@ -206,5 +205,4 @@ void main()
 
         runEventLoop();
     }
-
 }