Fix [-Wstrict-prototypes] warning in DBA extension

Author: Girgias

ext/dba/libcdb/cdb.h

@@ -48,6 +48,6 @@ int cdb_find(struct cdb *, char *, unsigned int);
 #define cdb_datapos(c) ((c)->dpos)
 #define cdb_datalen(c) ((c)->dlen)
 
-char *cdb_version();
+char *cdb_version(void);
 
 #endif

ext/dba/libcdb/cdb_make.h

@@ -55,6 +55,6 @@ int cdb_make_addbegin(struct cdb_make *, unsigned int, unsigned int);
 int cdb_make_addend(struct cdb_make *, unsigned int, unsigned int, uint32);
 int cdb_make_add(struct cdb_make *, char *, unsigned int, char *, unsigned int);
 int cdb_make_finish(struct cdb_make *);
-char *cdb_make_version();
+char *cdb_make_version(void);
 
 #endif

ext/dba/libflatfile/flatfile.h

@@ -39,6 +39,6 @@ int flatfile_delete(flatfile *dba, datum key_datum);
 int flatfile_findkey(flatfile *dba, datum key_datum);
 datum flatfile_firstkey(flatfile *dba);
 datum flatfile_nextkey(flatfile *dba);
-char *flatfile_version();
+char *flatfile_version(void);
 
 #endif

ext/dba/libinifile/inifile.h

@@ -49,7 +49,7 @@ int inifile_delete_ex(inifile *dba, const key_type *key, zend_bool *found);
 int inifile_replace(inifile *dba, const key_type *key, const val_type *val);
 int inifile_replace_ex(inifile *dba, const key_type *key, const val_type *val, zend_bool *found);
 int inifile_append(inifile *dba, const key_type *key, const val_type *val);
-char *inifile_version();
+char *inifile_version(void);
 
 key_type inifile_key_split(const char *group_name);
 char * inifile_key_string(const key_type *key);