Added HAVE_PROCESS_H for DOS/Win32.

Include <process.h> for getpid() in ares_init.c.

ares/Makefile.dj

@@ -11,7 +11,7 @@ include Makefile.inc
 CFLAGS += -DWATT32 -DHAVE_AF_INET6 -DHAVE_PF_INET6 -DHAVE_FIONBIO \
           -DHAVE_STRUCT_IN6_ADDR -DHAVE_SOCKADDR_IN6_SIN6_SCOPE_ID \
           -DHAVE_SYS_TIME_H -DHAVE_STRUCT_SOCKADDR_IN6 -DHAVE_STRUCT_ADDRINFO \
-          -DHAVE_SIGNAL_H -DHAVE_SIG_ATOMIC_T -DRETSIGTYPE='void' \
+          -DHAVE_SIGNAL_H -DHAVE_SIG_ATOMIC_T -DRETSIGTYPE='void' -DHAVE_PROCESS_H \
           -DHAVE_ARPA_NAMESER_H -DNS_INADDRSZ=4 -DHAVE_RECV -DHAVE_SEND \
           -DSEND_TYPE_ARG1='int'   -DSEND_QUAL_ARG2='const' \
           -DSEND_TYPE_ARG2='void*' -DSEND_TYPE_ARG3='int' \

ares/ares_init.c

@@ -43,6 +43,9 @@
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#ifdef HAVE_PROCESS_H
+#include <process.h>  /* Some have getpid() here */
+#endif
 #endif
 
 #include <stdio.h>

ares/config-win32.h

@@ -38,6 +38,9 @@
 /* Define if you have the <time.h> header file.  */
 #define HAVE_TIME_H 1
 
+/* Define if you have the <process.h> header file.  */
+#define HAVE_PROCESS_H 1
+
 /* Define if you have the <unistd.h> header file.  */
 #if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__LCC__) || \
     defined(__POCC__)