Add description of long options for '-c', '-D', '-l' and '-s'. Per

discussion of hackers list on 2012/3/10 "missing description initdb
manual".

doc/src/sgml/ref/pg_ctl-ref.sgml

@@ -244,6 +244,7 @@ PostgreSQL documentation
 
      <varlistentry>
       <term><option>-c</option></term>
+      <term><option>--core-file</option></term>
       <listitem>
        <para>
         Attempt to allow server crashes to produce core files, on platforms
@@ -257,6 +258,7 @@ PostgreSQL documentation
 
      <varlistentry>
       <term><option>-D <replaceable class="parameter">datadir</replaceable></option></term>
+      <term><option>--pgdata <replaceable class="parameter">datadir</replaceable></option></term>
       <listitem>
        <para>
         Specifies the file system location of the database files.  If
@@ -268,6 +270,7 @@ PostgreSQL documentation
 
      <varlistentry>
       <term><option>-l <replaceable class="parameter">filename</replaceable></option></term>
+      <term><option>--log <replaceable class="parameter">filename</replaceable></option></term>
       <listitem>
        <para>
         Append the server log output to
@@ -280,6 +283,7 @@ PostgreSQL documentation
 
      <varlistentry>
       <term><option>-m <replaceable class="parameter">mode</replaceable></option></term>
+      <term><option>--mode <replaceable class="parameter">mode</replaceable></option></term>
       <listitem>
        <para>
         Specifies the shutdown mode.  <replaceable>mode</replaceable>
@@ -340,6 +344,7 @@ PostgreSQL documentation
 
      <varlistentry>
       <term><option>-s</option></term>
+      <term><option>--silent</option></term>
       <listitem>
        <para>
         Print only errors, no informational messages.
@@ -349,6 +354,7 @@ PostgreSQL documentation
 
      <varlistentry>
       <term><option>-t</option></term>
+      <term><option>--timeout</option></term>
       <listitem>
        <para>
         The maximum number of seconds to wait when waiting for startup or