[LyX/master] Also install oxygen math svg icons.

[Enrico Forestieri]

commit eb5e8aba5e64b8cdadb2a89c60b337d41edb4607
Author: Enrico Forestieri <for...@lyx.org>
Date:   Sun Mar 22 23:16:05 2015 +0100

    Also install oxygen math svg icons.
    
    These icons have no png counterpart and hence are not catched by the 
shortcuts.

diff --git a/lib/Makefile.am b/lib/Makefile.am
index b89e8ed..1abcae3 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1710,6 +1710,17 @@ dist_imagesoxygen_DATA = \
        ${dist_imagesoxygen_DATA1X} \
        ${dist_imagesoxygen_DATA2X}
 
+imagesmathoxygendir = $(imagesdir)/math/oxygen
+dist_imagesmathoxygen_DATA = \
+       images/math/oxygen/cases.svgz \
+       images/math/oxygen/delim.svgz \
+       images/math/oxygen/font.svgz \
+       images/math/oxygen/frac.svgz \
+       images/math/oxygen/frac-square.svgz \
+       images/math/oxygen/functions.svgz \
+       images/math/oxygen/space.svgz \
+       images/math/oxygen/style.svgz
+
 imagesclassicdir = $(imagesdir)/classic
 dist_imagesclassic_DATA = \
        images/classic/all-changes-accept.png  \