[2.7] remove tabs from getcompiler.c (GH-3892) (#3894)

(cherry picked from commit a8ed11742b4c2115597977ce04fa8e043d9e0792)
diff --git a/Python/getcompiler.c b/Python/getcompiler.c
index 0f441de..9d9c33a 100644
--- a/Python/getcompiler.c
+++ b/Python/getcompiler.c
@@ -24,5 +24,5 @@
 const char *
 Py_GetCompiler(void)
 {
-	return COMPILER;
+    return COMPILER;
 }