(uninstall): When processing lispdir and etcdir,

do nothing unless it exists and is a directory.

Makefile.in

@@ -346,15 +346,17 @@ uninstall:
 	    prefix=${prefix} exec_prefix=${exec_prefix}	\
 	    bindir=${bindir} libdir=${libdir} archlibdir=${archlibdir})
 	for dir in ${lispdir} ${etcdir} ; do 		\
-	  case `(cd $${dir} ; pwd)` in			\
-	    `(cd ${srcdir} ; pwd)`* ) ;;		\
-	    * ) rm -rf $${dir} ;;			\
-	  esac ;					\
-	  case $${dir} in				\
-	    ${datadir}/emacs/${version}/* )		\
-	      rm -rf ${datadir}/emacs/${version}	\
-	    ;;						\
-	  esac ;					\
+	  if [ -d $${dir} ]; then			\
+	    case `(cd $${dir} ; pwd)` in		\
+	      `(cd ${srcdir} ; pwd)`* ) ;;		\
+	      * ) rm -rf $${dir} ;;			\
+	    esac ;					\
+	    case $${dir} in				\
+	      ${datadir}/emacs/${version}/* )		\
+	        rm -rf ${datadir}/emacs/${version}	\
+	      ;;					\
+	    esac ;					\
+	  fi ;						\
 	done
 	(cd ${infodir}; rm -f cl* emacs* forms* info* vip*)
 	(cd ${mandir};  rm -f emacs.1 etags.1 ctags.1)