Fix error handling in catch clauses
Fix error handling in catch clauses

frida/vala,themiwi/vala,tjol/vala-tjol,Distrotech/vala,phako/vala,themiwi/vala,GNOME/vala,flobrosch/vala-fixes,Jc2k/vala,kamanashisroy/aroop,severinh/vala,lovebug356/vala,spidermonkdust/vala,themiwi/vala,jessevdk/vala,rvu95/vala,severinh/vala,Jc2k/vala,kamanashisroy/aroop,spidermonkdust/vala,GNOME/vala,Distrotech/vala,frida/vala,Distrotech/vala,playya/vala,phako/vala,flobrosch/vala-fixes,kamanashisroy/aroop,tjol/vala-tjol,playya/vala,jessevdk/vala,GNOME/vala,rvu95/vala,spidermonkdust/vala,frida/vala,lovebug356/vala,rvu95/vala,jessevdk/vala,xdave/pvala,GNOME/vala,frida/vala,flobrosch/vala-fixes,frida/vala,tjol/vala-tjol,playya/vala,severinh/vala