script: include head with prototype of ply_get_timestamp()

ply_get_timestamp() returns a double, but the compiler assumes it will
return an int if ply-utils.h isn't #included.  This disparity between
what gets returned and what the compiler is expecting will be returned
causes astonishing knock-on effects (the label plugin fails to display
any text). See:

https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1187318

and

http://lists.freedesktop.org/archives/plymouth/2013-June/000733.html

diff --git a/src/plugins/splash/script/script-lib-math.c b/src/plugins/splash/script/script-lib-math.c
index 1a07b0482c9d613a25861265bd409a51afd24eea..3f2dc7978dcaf3c19493754a56ef36c77fd47d37 100644 (file)
--- a/src/plugins/splash/script/script-lib-math.c
+++ b/src/plugins/splash/script/script-lib-math.c
@@ -22,6 +22,7 @@
 
 #include "config.h"
 
+#include "ply-utils.h"
 #include "script.h"
 #include "script-parse.h"
 #include "script-execute.h"