Update entries for MkLinux and Linux/ix86 for Postgres v6.4.

Author: Thomas G. Lockhart

doc/src/sgml/ports.sgml

@@ -114,8 +114,8 @@
   <ROW>
     <ENTRY>linux 2.0.x</ENTRY>
     <ENTRY>x86</ENTRY>
-    <ENTRY>v6.3.2</ENTRY>
-    <ENTRY>1998-04-16</ENTRY>
+    <ENTRY>v6.4</ENTRY>
+    <ENTRY>1998-09-14</ENTRY>
     <ENTRY>(<ULink url="mailto:lockhart@alumni.caltech.edu">Thomas Lockhart</ULink>,
 <ULink url="mailto:t-ishii@sra.co.jp">Tatsuo Ishii</ULink>)</ENTRY>
   </ROW>
@@ -128,9 +128,9 @@
   </ROW>
   <ROW>
     <ENTRY>mklinux</ENTRY>
-    <ENTRY>PPC</ENTRY>
-    <ENTRY>v6.3</ENTRY>
-    <ENTRY>1998-03-01</ENTRY>
+    <ENTRY>PPC750</ENTRY>
+    <ENTRY>v6.4</ENTRY>
+    <ENTRY>1998-09-16</ENTRY>
     <ENTRY>(<ULink url="mailto:t-ishii@sra.co.jp">Tatsuo Ishii</ULink>)</ENTRY>
   </ROW>
   <ROW>