Merge pull request #53 from Tymolc/fix/sb10_double_flag

fix: double flag SB 10

gliderlist.csv

@@ -418,7 +418,7 @@ ID,Glider,Model,Manufacturer,Competition Class,Kind,Double Seater,Winglets,Exclu
 422,Nimbus 3 22.9m,Nimbus 3 22.9m,Schempp-Hirth,Open,GL,,,,,,119,119,119,119,119,119,119,119
 423,Glasflügel 604 24m,Glasflügel 604 24m,Glasflügel,Open,GL,,,,,,118,118,118,118,118,118,118,118
 424,LS 5,LS 5,Rolladen-Schneider,Open,GL,,,,,,118,118,118,118,118,118,118,118
-425,SB 10,SB 10,Akaflieg Braunschweig,Open,GL,,,,,,118,118,118,118,118,118,118,118
+425,SB 10,SB 10,Akaflieg Braunschweig,Open,GL,x,,,,,118,118,118,118,118,118,118,118
 426,ASW 17,ASW 17,Alexander Schleicher,Open,GL,,,,,,115,115,115,115,115,115,115,115
 427,Glasflügel 604,Glasflügel 604,Glasflügel,Open,GL,,,,,,114,114,114,114,114,114,114,114
 428,Kestrel 22m,Kestrel 22m,Glasflügel,Open,GL,,,,,,114,114,114,114,114,114,114,114