dpkg-shlibdeps: Do not unnecessarily interpolate strings

This mostly reverts commit 2379a80fbdc49084894b448a49d6859486b92d02,
which would make the perlcritic test fail.

scripts/dpkg-shlibdeps.pl

@@ -290,10 +290,10 @@ foreach my $file (keys %exec) {
 		    $ignore++ unless scalar(split_soname($soname));
 		    # 3/ when we have been asked to do so
 		    $ignore++ if $ignore_missing_info;
-		    error(_g("no dependency information found for %s " .
+		    error(_g('no dependency information found for %s ' .
 		             "(used by %s)\n" .
-		             "Hint: check if the library actually comes " .
-		             "from a package."), $lib, $file)
+		             'Hint: check if the library actually comes ' .
+		             'from a package.'), $lib, $file)
 		        unless $ignore;
 		}
 	    }