stdup() patch for R7B.

[Geoff Wong]

HAVE_STRDUP isn't properly defined by the configure process
(and isn't defined in header files on Redhat 6.x boxes).
Anyway - this causes erl_connect (and associated libs)
to fail to build. 

A patch follows.

Geoff

--- erts/autoconf/configure.in  Sun Oct  1 15:27:11 2000
+++ erts/autoconf/configure.in.ORIG     Sun Oct  1 10:17:38 2000
@@ -370,7 +370,7 @@

 AC_CHECK_FUNCS([ieee_handler fpsetmask finite res_gethostbyname dlopen \
                poll pread pwrite writev memmove strerror \
-               gethrtime localtime_r gmtime_r strdup])
+               gethrtime localtime_r gmtime_r])
 AC_FUNC_SETVBUF_REVERSED
 AC_FUNC_VFORK
 AC_FUNC_VPRINTF
--- erts/autoconf/configure     Sun Oct  1 15:27:17 2000
+++ erts/autoconf/configure.ORIG        Sun Oct  1 10:28:58 2000
@@ -1366,7 +1366,7 @@
 done
 test -n "$YACC" || YACC="yacc"

-for ac_prog in gawk mawk nawk awk
+for ac_prog in mawk gawk nawk awk
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
@@ -3456,7 +3456,7 @@

 for ac_func in ieee_handler fpsetmask finite res_gethostbyname dlopen \
                poll pread pwrite writev memmove strerror \
-               gethrtime localtime_r gmtime_r strdup
+               gethrtime localtime_r gmtime_r
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
 echo "configure:3463: checking for $ac_func" >&5
--- erts/autoconf/config.h.in   Sun Oct  1 15:13:33 2000
+++ erts/autoconf/config.h.in.ORIG      Sun Oct  1 15:36:10 2000
@@ -168,9 +168,6 @@
 /* Define if you have the strerror function.  */
 #undef HAVE_STRERROR

-/* Define if you have the strdup() function. */
-#undef HAVE_STRDUP
-
 /* Define if you have the writev function.  */
 #undef HAVE_WRITEV