Fix T46390: Sound sequencer API doesnt' work when built with SCons

The issue was caused by original patch efde4dbb.

This seems to be really old bug, but safe for 2.76.

source/blender/makesrna/SConscript

@@ -148,6 +148,9 @@ if env['WITH_BF_OPENSUBDIV']:
     incs += ' #/intern/opensubdiv'
     defs.append('WITH_OPENSUBDIV')
 
+if env['WITH_BF_AUDASPACE']:
+    defs.append('WITH_AUDASPACE')
+
 if env['OURPLATFORM'] == 'linux':
     cflags='-pthread'
 

source/blender/makesrna/intern/SConscript

@@ -163,6 +163,9 @@ if env['WITH_BF_OPENSUBDIV']:
     defs.append('WITH_OPENSUBDIV')
     incs += ' #intern/opensubdiv'
 
+if env['WITH_BF_AUDASPACE']:
+    defs.append('WITH_AUDASPACE')
+
 if env['OURPLATFORM'] == 'linux':
     cflags='-pthread'