getdata: fix consecutive range definition regression

The added test demonstrates the issue.  If a did not end with whitespace
it was skipped.

Reported-by: Fredrik Lysén <fredrik.lysen@uadm.uu.se>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>

tests/Makemodule.am

@@ -14,6 +14,7 @@ TESTS = \
 	tests/full-json \
 	tests/leading0 \
 	tests/one-ip \
+	tests/one-line \
 	tests/same-twice \
 	tests/simple \
 	tests/v6

tests/confs/one-line

@@ -0,0 +1 @@
+pool {range 10.0.0.1 10.0.0.5;range 10.0.0.6 10.0.0.10;}

tests/expected/one-line

@@ -0,0 +1 @@
+simple

tests/expected/simple

@@ -1,6 +1,7 @@
 Ranges:
 shared net name     first ip           last ip            max   cur    percent  touch   t+c  t+c perc
-All networks        10.0.0.1         - 10.0.0.10           10    10    100.000      0    10   100.000
+All networks        10.0.0.1         - 10.0.0.5             5     5    100.000      0     5   100.000
+All networks        10.0.0.6         - 10.0.0.10            5     5    100.000      0     5   100.000
 
 Shared networks:
 name                   max   cur     percent  touch    t+c  t+c perc

tests/leases/one-line

@@ -0,0 +1 @@
+simple

tests/one-line

@@ -0,0 +1 @@
+test.sh