* lisp/ob.el (org-babel-result-cond): This function should now be used
by all language backends to handle the processing of raw code block
output into scalar results, table results, or ignored results
depending on the value of result-params.
* lisp/ob-C.el (org-babel-C-execute): Use org-babel-result-cond.
* lisp/ob-R.el (org-babel-R-evaluate-external-process): Use
org-babel-result-cond.
(org-babel-R-evaluate-session): Use org-babel-result-cond.
* lisp/ob-awk.el (org-babel-execute:awk): Use org-babel-result-cond.
* lisp/ob-clojure.el (org-babel-execute:clojure): Use
org-babel-result-cond.
* lisp/ob-emacs-lisp.el (org-babel-execute:emacs-lisp): Use
org-babel-result-cond.
* lisp/ob-fortran.el (org-babel-execute:fortran): Use
org-babel-result-cond.
* lisp/ob-io.el (org-babel-io-evaluate): Use org-babel-result-cond.
* lisp/ob-java.el (org-babel-execute:java): Use org-babel-result-cond.
* lisp/ob-lisp.el (org-babel-execute:lisp): Use org-babel-result-cond.
* lisp/ob-maxima.el (org-babel-execute:maxima): Use
org-babel-result-cond.
* lisp/ob-picolisp.el (org-babel-execute:picolisp): Use
org-babel-result-cond.
* lisp/ob-python.el (org-babel-python-evaluate-external-process): Use
org-babel-result-cond.
(org-babel-python-evaluate-session): Use org-babel-result-cond.
* lisp/ob-scala.el (org-babel-scala-evaluate): Use org-babel-result-cond.
* lisp/ob-sh.el (org-babel-sh-evaluate): Use org-babel-result-cond.
* lisp/ob-shen.el (org-babel-execute:shen): Use org-babel-result-cond.
* lisp/ob-sql.el (org-babel-execute:sql): Use org-babel-result-cond.
* lisp/ob-sqlite.el (org-babel-execute:sqlite): Use
org-babel-result-cond.
* lisp/ob-shen.el (shen-eval-defun): Declare external function.
(org-babel-execute:shen): Move requirement of inf-shen into the
function in which it is used to fix build error.
