dpkg: Make the initial dependtry be 1 instead of 0

This gets rid of an unused dependtry step, which got accidentally
introduced when the perl dpkg was rewritten in C, ages ago.

debian/changelog

@@ -6,6 +6,9 @@ dpkg (1.17.20) UNRELEASED; urgency=low
     progress for a while. Regression stemming from non future proof changes
     introduced with the initial triggers implementation in dpkg 1.14.17
     combined with changes in dpkg 1.17.19. Closes: #766242, #766322
+  * Make the initial dependtry be 1 instead of 0. This gets rid of an unused
+    dependtry step, which got accidentally introduced when the perl dpkg was
+    rewritten in C, ages ago.
 
   [ Updated programs translations ]
   * German (Sven Joachim).

src/packages.c

@@ -51,7 +51,7 @@
 static struct pkginfo *progress_bytrigproc;
 static struct pkg_queue queue = PKG_QUEUE_INIT;
 
-int sincenothing = 0, dependtry = 0;
+int sincenothing = 0, dependtry = 1;
 
 void
 enqueue_package(struct pkginfo *pkg)