[LyX/master] HSpace/VSpace: use a _signed_ length validator in the dialogs.

commit 2a8db0a64bd40ed1c91ab93297cb0fff78f71bde Author: Juergen Spitzmueller sp...@lyx.org Date: Fri Jun 26 13:19:12 2015 +0200 HSpace/VSpace: use a _signed_ length validator in the dialogs. diff --git a/src/frontends/qt4/GuiHSpace.cpp b/src/frontends/qt4/GuiHSpace.cpp index

[LyX/master] HSpace/VSpace: use a _signed_ length validator in the dialogs.

commit 2a8db0a64bd40ed1c91ab93297cb0fff78f71bde Author: Juergen Spitzmueller Date: Fri Jun 26 13:19:12 2015 +0200 HSpace/VSpace: use a _signed_ length validator in the dialogs. diff --git a/src/frontends/qt4/GuiHSpace.cpp b/src/frontends/qt4/GuiHSpace.cpp index