minor indenting corrections

diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc
index e41416efc54e1144d70eadd828788913bb565bce..7a7bd30389f33e71b9b2a1817df8acf6ca34a184 100644 (file)
--- a/frontends/ast/ast.cc
+++ b/frontends/ast/ast.cc
@@ -34,9 +34,9 @@
 #include <stdarg.h>
 
 #if defined(__APPLE__)
-#include <cmath>
+#  include <cmath>
 #else
-#include <math.h>
+#  include <math.h>
 #endif
 
 YOSYS_NAMESPACE_BEGIN