hooks/pkglint-devel-paths: do move static find calls out of the loop

Right now they got executed every iteration, but weren't dependent
on the loop. Which resulted in getting the output x times more often
than neccessary

common/hooks/post-install/10-pkglint-devel-paths.sh

@@ -52,6 +52,7 @@ hook() {
                 msg_warn "usr/lib/qt5/mkspecs should be in -devel package\n"
                 ;;
         esac
+    done
 
     if [ -n "$(find $PKGDESTDIR/usr/lib -maxdepth 1 -type l -iname '*.so' 2>/dev/null)" ]; then
         solink=1
@@ -73,8 +74,6 @@ hook() {
         done
     fi
 
-    done
-
     if [ -n "$solink" ]; then
         msg_warn "usr/lib/*.so should be in -devel package\n"
     fi