fix installation of script files * scripts/module.mk (nobase_fcnfile_DATA): Delete. * scripts/module.mk, scripts/audio/module.mk, scripts/deprecated/module.mk, scripts/elfun/module.mk, scripts/general/module.mk, scripts/geometry/module.mk, scripts/gui/module.mk, scripts/help/module.mk, scripts/image/module.mk, scripts/io/module.mk, scripts/java/module.mk, scripts/linear-algebra/module.mk, scripts/miscellaneous/module.mk, scripts/optimization/module.mk, scripts/path/module.mk, scripts/pkg/module.mk, scripts/plot/appearance/module.mk, scripts/plot/draw/module.mk, scripts/plot/util/module.mk, scripts/polynomial/module.mk, scripts/prefs/module.mk, scripts/set/module.mk, scripts/signal/module.mk, scripts/sparse/module.mk, scripts/specfun/module.mk, scripts/special-matrix/module.mk, scripts/startup/module.mk, scripts/statistics/base/module.mk, scripts/statistics/distributions/module.mk, scripts/statistics/models/module.mk, scripts/statistics/tests/module.mk, scripts/strings/module.mk, scripts/testfun/module.mk, scripts/time/module.mk: Define individual Xdir and X_DATA variables for each scripts subdirectory.

--- a/scripts/optimization/module.mk
+++ b/scripts/optimization/module.mk
@@ -1,4 +1,6 @@
-FCN_FILE_DIRS += scripts/optimization
+FCN_FILE_DIRS += \
+  scripts/optimization \
+  scripts/optimization/private
 
 scripts_optimization_PRIVATE_FCN_FILES = \
   scripts/optimization/private/__fdjac__.m
@@ -16,11 +18,20 @@
   scripts/optimization/optimset.m \
   scripts/optimization/pqpnonneg.m \
   scripts/optimization/qp.m \
-  scripts/optimization/sqp.m \
+  scripts/optimization/sqp.m
+
+scripts_optimizationdir = $(fcnfiledir)/optimization
+
+scripts_optimization_DATA = $(scripts_optimization_FCN_FILES)
+
+scripts_optimization_privatedir = $(fcnfiledir)/optimization/private
+
+scripts_optimization_private_DATA = $(scripts_optimization_PRIVATE_FCN_FILES)
+
+FCN_FILES += \
+  $(scripts_optimization_FCN_FILES) \
   $(scripts_optimization_PRIVATE_FCN_FILES)
 
-FCN_FILES += $(scripts_optimization_FCN_FILES)
-
 PKG_ADD_FILES += scripts/optimization/PKG_ADD
 
 DIRSTAMP_FILES += scripts/optimization/$(octave_dirstamp)