Reorganize format options of psql in alphabetical order

This makes the addition of new formats easier, and documentation lookups
easier.

Author: Daniel Vérité
Reviewed-by: Fabien Coelho
Discussion: https://postgr.es/m/alpine.DEB.2.20.1803081004241.2916@lancre

src/include/fe_utils/print.h

@@ -26,14 +26,14 @@
 enum printFormat
 {
 	PRINT_NOTHING = 0,			/* to make sure someone initializes this */
-	PRINT_UNALIGNED,
 	PRINT_ALIGNED,
-	PRINT_WRAPPED,
-	PRINT_HTML,
 	PRINT_ASCIIDOC,
+	PRINT_HTML,
 	PRINT_LATEX,
 	PRINT_LATEX_LONGTABLE,
-	PRINT_TROFF_MS
+	PRINT_TROFF_MS,
+	PRINT_UNALIGNED,
+	PRINT_WRAPPED
 	/* add your favourite output format here ... */
 };