[LyX/master] Do not allow newlines in subfloats. Fixes #8752.

[Richard Heck]

commit 9d7f25a4aec8d79ee34639a1fbde0c08dd359a09
Author: Richard Heck <rgh...@lyx.org>
Date:   Sun Jan 26 14:22:39 2014 -0500

    Do not allow newlines in subfloats. Fixes #8752.

diff --git a/src/insets/InsetFloat.cpp b/src/insets/InsetFloat.cpp
index 5121d72..beb5e0b 100644
--- a/src/insets/InsetFloat.cpp
+++ b/src/insets/InsetFloat.cpp
@@ -189,6 +189,12 @@ bool InsetFloat::getStatus(Cursor & cur, FuncRequest const 
& cmd,
                        return true;
                } else
                        return false;
+       
+       case LFUN_NEWLINE_INSERT:
+               if (params_.subfloat) {
+                       flag.setEnabled(false);
+                       return true;
+               }
 
        default:
                return InsetCollapsable::getStatus(cur, cmd, flag);