Pin compiler dependency to a version that supports Nim 0.17.2 and HEAD.

Fixes #121. Fixes #115.

Author: dom96

c2nim.nimble

@@ -6,8 +6,8 @@ skipDirs      = @["doc"]
 
 bin = @["c2nim"]
 
-requires "nim >= 0.16.0", "compiler >= 0.16.0"
+requires "nim >= 0.16.0", "compiler#604a15c0aaf6d3df2"
 
 task tests, "runs c2nim tests":
   exec "nim c c2nim.nim"
-  exec "nim c --run testsuite/tester.nim"
+  exec "nim c --run testsuite/tester.nim"