FYI: typos

[Ralf Wildenhues]

I have applied this tiny patch to fix a couple of typos.

Cheers,
Ralf

        * doc/autoconf.texi: Fix some typos.

Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.1058
diff -u -r1.1058 autoconf.texi
--- doc/autoconf.texi   7 Jul 2006 14:21:57 -0000       1.1058
+++ doc/autoconf.texi   7 Jul 2006 20:10:19 -0000
@@ -7697,7 +7697,7 @@
 @var{prologue} is optional code that is inserted between the module header and
 the @code{start/0} function definition.  @var{body} is the body of the
 @code{start/0} function without the final period (@pxref{Runtime}, about
-constraints on this function's behaviour).
+constraints on this function's behavior).
 
 For instance:
 
@@ -12868,7 +12868,7 @@
 Either do not depend on such patterns (i.e., use @samp{/^(.*foo|bar)/},
 or use a simple test to reject such implementations.
 
address@hidden version 5.2 has an arbitrary limit of 399 on the the
address@hidden version 5.2 has an arbitrary limit of 399 on the
 length of regular expressions and literal strings in an Awk program.
 
 Traditional Awk implementations derived from Unix version 7, such as