fix another RST misformat that I missed

StefanKarpinski · StefanKarpinski · commit f0dbba69bf34 · 2015-11-06T15:07:58.000-05:00
diff --git a/doc/manual/calling-c-and-fortran-code.rst b/doc/manual/calling-c-and-fortran-code.rst
@@ -449,8 +449,8 @@ C name                  Standard Julia Alias    Julia Base Type
 
 .. warning::
 
-Julia's ``Char`` type is 32 bits, which is not the same as the wide character
-type (``wchar_t`` or ``wint_t``) on all platforms.
+    Julia's ``Char`` type is 32 bits, which is not the same as the wide character
+    type (``wchar_t`` or ``wint_t``) on all platforms.
 
 .. note::
 
