Fixed a problem with accounts and trailing spaces

This issue is caused by having a single space at the end of a posting
that has neither an amount nor a note.

Fixes C523E23F-CFAC-4A53-B0C6-21226640E763

src/textual.cc

@@ -863,6 +863,9 @@ post_t * instance_t::parse_post(char *		line,
   char * next = next_element(p, true);
   char * e = p + std::strlen(p);
 
+  while (e > p && std::isspace(*(e - 1)))
+    e--;
+
   if ((*p == '[' && *(e - 1) == ']') || (*p == '(' && *(e - 1) == ')')) {
     post->add_flags(POST_VIRTUAL);
     DEBUG("textual.parse", "line " << linenum << ": "

test/regress/C523E23F.test

@@ -0,0 +1,21 @@
+bal
+<<<
+D 1.000,00€
+
+2009/03/16 * denn's
+  ; Kauf: Yogi-Tee 
+  Aufwand:Einkauf:Lebensmittel            17,94€
+  Aktiva:Bank:Girokonto
+
+2009/03/24 Ansparen
+  Aktiva:Bank:Sparkonto                  800,00€
+  Aktiva:Bank:Girokonto 
+>>>1
+             -17,94€  Aktiva:Bank
+            -817,94€    Girokonto
+             800,00€    Sparkonto
+              17,94€  Aufwand:Einkauf:Lebensmittel
+--------------------
+                   0
+>>>2
+=== 0