dpkg-source(1): improve section about fuzz being forbidden

The minimal version information was completely irrelevant, as
dpkg-source's internal implementation has always used "patch -F 0"
to apply patches.

Also reword the sentence to be more readable and on its own paragraph.

man/dpkg-source.1

@@ -449,10 +449,12 @@ explicit options used for patch application (stored on each line
 after the patch filename and one or more spaces), it does ignore those
 options and always expect patches that can be applied with the \fB\-p1\fP
 option of \fBpatch\fP. It will thus emit a warning when it encounters
-such options, and the build is likely to fail. Note also that starting
-with \fBdpkg\-source\fP 1.15.5.3, patches are expected to apply without
-any fuzz, and they will cause an error otherwise; such patches can be
-fixed by refreshing them with quilt.
+such options, and the build is likely to fail.
+.PP
+Contrary to quilt's default behaviour, patches are expected to apply
+without any fuzz. When that is not the case, you should refresh such
+patches with quilt, or dpkg-source will error out while trying to apply
+them.
 .PP
 Similarly to quilt's default behaviour, the patches can remove files too.
 .PP