Fix nested quoting

This commit was SVN r7091.

config/ompi_get_version.m4

@@ -58,9 +58,9 @@ if test -n "$gv_ver_file" -a -f "$gv_ver_file"; then
     if test "$gv_want_svn" = "1"; then
         if test "$gv_svn_r" = "-1"; then
             if test -d "$srcdir/.svn"; then
-                ver="r`svnversion \"$srcdir\"`"
+                ver=r`svnversion "$srcdir\"`
             else
-                ver="svn`date '+%m%d%Y'`"
+                ver=svn`date '+%m%d%Y'`
             fi
             gv_svn_r="$ver"
         fi