Do wait for build to finish

Most of the time we want to anyway, and it's easy to interrupt if
needed.

trigger_copr

@@ -127,7 +127,7 @@ main() {
         warn "===== END slop.spec ====="
         exit 1
     }
-    copr build --nowait "$CoprProject" "$Tmp/slop.spec"
+    copr build "$CoprProject" "$Tmp/slop.spec"
     rm -rf "$Tmp"
 }