[vte] build: Revert "build: Fix building the vala test app with builddir != srcdir"

[Christian Persch <chpe src gnome org>]

commit 03b1a9271df6a27b43f05b1d9a5591a8bb10dde8
Author: Christian Persch <chpe src gnome org>
Date:   Tue Mar 21 09:37:18 2017 +0100

    build: Revert "build: Fix building the vala test app with builddir != srcdir"
    
    This reverts commit 29fb71d3e6ba46e3539a2e0b755b0c7bb1c74670.

 bindings/vala/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/bindings/vala/Makefile.am b/bindings/vala/Makefile.am
index 9e84c85..0078ad4 100644
--- a/bindings/vala/Makefile.am
+++ b/bindings/vala/Makefile.am
@@ -33,10 +33,10 @@ CLEANFILES += $(nodist_vapi_DATA)
 vte_@VTE_API_MAJOR_VERSION@_@VTE_API_MINOR_VERSION@_SOURCES = \
        app.vala \
        config.vapi \
+       $(builddir)/vte-$(VTE_API_VERSION).vapi \
        $(NULL)
 
 nodist_vte_@VTE_API_MAJOR_VERSION@_@VTE_API_MINOR_VERSION@_SOURCES = \
-       $(abs_top_builddir)/bindings/vala/vte-$(VTE_API_VERSION).vapi \
        appresources.c \
        $(NULL)