spelling: recursive

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

Author: jsoref

ql/ql/src/codeql_ql/style/DeadCodeQuery.qll

@@ -75,7 +75,7 @@ private AstNode alive() {
   or
   result instanceof TopLevel // toplevel is always alive.
   or
-  // recurisve cases
+  // recursive cases
   result = aliveStep(alive())
 }
 
@@ -243,7 +243,7 @@ private AstNode queryable() {
   or
   result instanceof TopLevel // toplevel is always alive.
   or
-  // recurisve cases
+  // recursive cases
   result = aliveStep(queryable())
 }