Hide a couple of internal definitions

Author: mlschroe

src/dataiterator.h

@@ -61,8 +61,10 @@ typedef struct s_KeyValue {
 #define SEARCH_CHECKSUMS		(1<<18)
 
 /* internal */
+#ifdef LIBSOLV_INTERNAL
 #define SEARCH_SUBSCHEMA		(1<<30)
 #define SEARCH_THISSOLVID		(1<<31)
+#endif
 
 /* obsolete */
 #define SEARCH_COMPLETE_FILELIST	0		/* ignored, this is the default */

src/policy.h

@@ -19,9 +19,12 @@ extern "C" {
 #define POLICY_MODE_CHOOSE	0
 #define POLICY_MODE_RECOMMEND	1
 #define POLICY_MODE_SUGGEST	2
+
+#ifdef LIBSOLV_INTERNAL
 #define POLICY_MODE_CHOOSE_NOREORDER	3	/* internal, do not use */
-#define POLICY_MODE_SUPPLEMENT	4	/* internal, do not use */
+#define POLICY_MODE_SUPPLEMENT		4	/* internal, do not use */
 #define POLICY_MODE_FAVOR_REC	(1 << 30)	/* internal, do not use */
+#endif
 
 
 #define POLICY_ILLEGAL_DOWNGRADE	1