Refactor EGD conditional support

As per Jeremy's request in #124
Windows does not define HAVE_RAND_EGD resulting in the same conditional
support for EGD.

include/NTMakefile

@@ -79,7 +79,6 @@ while(<>) {
     if ("$(DIR_hdbdir)") { print "#define HDB_DB_DIR \"".'$(DIR_hdbdir)'."\"\n"; }
     if ("$(HAVE_MSLSA_CACHE)") { print "#define HAVE_MSLSA_CACHE 1\n"; }
     if ("$(NO_LOCALNAME)") { print "#define NO_LOCALNAME 1\n"; }
-    if ("$(NO_RAND_EGD_METHOD)") { print "#define NO_RAND_EGD_METHOD 1\n"; }
 
   } elsif (m/\@VERSION_OPTDEFS\@/) {
 

include/config.h.w32

@@ -1363,9 +1363,6 @@ static const char *const rcsid[] = { (const char *)rcsid, "@(#)" msg }
 /* Define if you don't want to use mmap. */
 #define NO_MMAP 1
 
-/* Define if EGD rand method is not defined */
-#define NO_RAND_EGD_METHOD 1
-
 /* Define if the Unix rand method is not defined */
 #define NO_RAND_UNIX_METHOD 1
 

lib/hcrypto/rand-fortuna.c

@@ -486,7 +486,7 @@ fortuna_reseed(void)
 	entropy_p = 1;
     }
 #endif
-#if !defined(NO_RAND_EGD_METHOD) && defined(HAVE_RAND_EGD)
+#if defined(HAVE_RAND_EGD)
     /*
      * Only to get egd entropy if /dev/random or arc4rand failed since
      * it can be horribly slow to generate new bits.

lib/hcrypto/test_rand.c

@@ -125,7 +125,7 @@ main(int argc, char **argv)
 	else if (strcasecmp(rand_method, "unix") == 0)
 	    RAND_set_rand_method(RAND_unix_method());
 #endif
-#if !defined(NO_RAND_EGD_METHOD) && defined(HAVE_RAND_EGD)
+#if defined(HAVE_RAND_EGD)
 	else if (strcasecmp(rand_method, "egd") == 0)
 	    RAND_set_rand_method(RAND_egd_method());
 #endif

lib/krb5/crypto-rand.c

@@ -67,7 +67,7 @@ seed_something(void)
     /* Calling RAND_status() will try to use /dev/urandom if it exists so
        we do not have to deal with it. */
     if (RAND_status() != 1) {
-#if !defined(NO_RAND_EGD_METHOD) && defined(HAVE_RAND_EGD)
+#if defined(HAVE_RAND_EGD)
 	krb5_context context;
 	const char *p;
 

windows/NTMakefile.config

@@ -95,9 +95,6 @@ WEAK_CRYPTO=1
 # Disable use of GSS LOCALNAME support
 NO_LOCALNAME=1
 
-# No entropy-gathering daemon on Windows
-NO_RAND_EGD_METHOD=1
-
 # Windows CRT mkdir does not have the mode parameter
 MKDIR_DOES_NOT_HAVE_MODE=1