Fix inclusion of header files after CONFIG_{MD5,SHA1} were removed

Fixes: 206037eaa4

src/util/Makefile

@@ -1,6 +1,8 @@
 top_builddir=../..
 include $(top_builddir)/Makefile.config
 
+INCLUDES += $(GNUTLS_CFLAGS) $(OPENSSL_CFLAGS)
+
 # Reverse a CONFIG_* string
 # Usage $(call not,$(CONFIG_FOO))
 not = $(if $(findstring yes,$(1)),no,yes)
@@ -9,7 +11,6 @@ OBJS-$(call not,$(CONFIG_SMALL))	 += fastfind.o
 OBJS-$(CONFIG_CSS)			 += scanner.o
 OBJS-$(CONFIG_DEBUG)			 += memdebug.o
 OBJS-$(CONFIG_DOM)			 += scanner.o
-OBJS-$(CONFIG_MD5)			 += md5.o
 
 # Use own MD5 implementation if testing libc or there's no OpenSSL
 # (either the real thing or GNUTLS compat wrappers).

src/util/md5.h

@@ -3,12 +3,14 @@
 
 /* Optionally MD5 support can depend on external implementation when linking
  * against a SSL library that supports it. */
-#ifndef CONFIG_MD5
-#if defined(CONFIG_OPENSSL)
+#if defined(CONFIG_OWN_LIBC)
+#define CONFIG_MD5 1
+#elif defined(CONFIG_OPENSSL)
 #include <openssl/md5.h>
 #elif defined(CONFIG_GNUTLS_OPENSSL_COMPAT)
 #include <gnutls/openssl.h>
-#endif
+#else
+#define CONFIG_MD5 1
 #endif
 
 /* GNU TLS doesn't define this */

src/util/sha1.h

@@ -36,10 +36,12 @@
 
 /* Optionally SHA1 support can depend on external implementation when linking
  * against a SSL library that supports it. */
-#ifndef CONFIG_SHA1
-#if defined(CONFIG_OPENSSL)
+#if defined(CONFIG_OWN_LIBC)
+#define CONFIG_SHA1 1
+#elif defined(CONFIG_OPENSSL)
 #include <openssl/sha.h>
-#endif
+#else
+#define CONFIG_SHA1 1
 #endif
 
 #ifndef SHA_DIGEST_LENGTH