Fix typo in py-type.c docstring

I noticed that a doc string py-type.c says "an signed".
This patch corrects it to "a signed".

diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index b4d1e230b3b1ea6ba25aeb1f51977cf319c3e331..b60875c792ed3b486bdf18948b4ff97420fdfd30 100644 (file)
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -1524,7 +1524,7 @@ static gdb_PyGetSetDef type_object_getset[] =
   { "is_scalar", typy_is_scalar, nullptr,
     "Is this a scalar type?", nullptr },
   { "is_signed", typy_is_signed, nullptr,
-    "Is this an signed type?", nullptr },
+    "Is this a signed type?", nullptr },
   { NULL }
 };