database: fix duplicated entries

build_json.py

@@ -9,9 +9,12 @@ def main():
 
     conn = sqlite3.connect(database)
     data = []
+    pkgs = dict()
     with conn:
         cursor = conn.execute("SELECT FULLPKGNAME, COMMENT, DESCR_CONTENTS, WANTLIB, RUN_DEPENDS FROM PortsQ")
         for row in cursor:
+            if not pkgs.get(row[0]):
+                pkgs[row[0]] = True
                 gui = False
                 tui = False
                 if row[3]: