Fix msvc 2013 compiler errors after the ingenious cleanup in 4ca67869cc.

source/blender/blenkernel/intern/customdata.c

@@ -49,6 +49,7 @@
 #include "BLI_path_util.h"
 #include "BLI_math.h"
 #include "BLI_mempool.h"
+#include "BLI_alloca.h"
 
 #include "BLF_translation.h"
 

source/blender/blenkernel/intern/ipo.c

@@ -60,6 +60,7 @@
 #include "DNA_world_types.h"
 #include "DNA_object_types.h"
 
+#include "BLI_math.h" /* windows needs for M_PI */
 #include "BLI_blenlib.h"
 #include "BLI_dynstr.h"
 #include "BLI_utildefines.h"

source/blender/blenlib/intern/path_util.c

@@ -36,6 +36,8 @@
 #include <stdlib.h>
 #include <assert.h>
 
+#include "MEM_guardedalloc.h"
+
 #include "DNA_listBase.h"
 
 #include "BLI_utildefines.h"

source/blender/blenlib/intern/smallhash.c

@@ -55,6 +55,7 @@
 #include "MEM_guardedalloc.h"
 
 #include "BLI_utildefines.h"
+#include "BLI_alloca.h"
 
 #include "BLI_smallhash.h"
 

source/blender/bmesh/intern/bmesh_mesh.c

@@ -35,6 +35,7 @@
 #include "BLI_listbase.h"
 #include "BLI_math.h"
 #include "BLI_utildefines.h"
+#include "BLI_alloca.h"
 
 #include "BKE_cdderivedmesh.h"
 #include "BKE_editmesh.h"

source/blender/editors/interface/interface_style.c

@@ -38,6 +38,7 @@
 #include "DNA_screen_types.h"
 #include "DNA_userdef_types.h"
 
+#include "BLI_math.h"
 #include "BLI_listbase.h"
 #include "BLI_rect.h"
 #include "BLI_string.h"

source/blender/editors/screen/area.c

@@ -36,6 +36,7 @@
 
 #include "DNA_userdef_types.h"
 
+#include "BLI_alloca.h"
 #include "BLI_blenlib.h"
 #include "BLI_math.h"
 #include "BLI_utildefines.h"

source/blender/editors/space_outliner/outliner_tree.c

@@ -54,6 +54,7 @@
 
 #include "BLI_blenlib.h"
 #include "BLI_utildefines.h"
+#include "BLI_math.h"
 #include "BLI_mempool.h"
 #include "BLI_fnmatch.h"
 

source/blender/editors/space_view3d/view3d_ops.c

@@ -39,6 +39,7 @@
 #include "DNA_space_types.h"
 #include "DNA_view3d_types.h"
 
+#include "BLI_math.h"
 #include "BLI_blenlib.h"
 #include "BLI_utildefines.h"
 

source/blender/imbuf/intern/allocimbuf.c

@@ -47,6 +47,7 @@
 
 #include "MEM_guardedalloc.h"
 
+#include "BLI_utildefines.h"
 #include "BLI_threads.h"
 
 static SpinLock refcounter_spin;

source/blender/python/intern/bpy_interface.c

@@ -43,6 +43,7 @@
 #include "BLI_path_util.h"
 #include "BLI_fileops.h"
 #include "BLI_listbase.h"
+#include "BLI_math_base.h"
 #include "BLI_string.h"
 #include "BLI_string_utf8.h"
 #include "BLI_threads.h"

source/blender/python/intern/bpy_rna_array.c

@@ -30,6 +30,7 @@
 
 #include "RNA_types.h"
 
+#include "BLI_utildefines.h"
 
 #include "bpy_rna.h"
 #include "BKE_global.h"

source/blender/python/intern/bpy_traceback.c

@@ -31,6 +31,7 @@
 
 #include "BLI_utildefines.h"
 #include "BLI_path_util.h"
+#include "BLI_string.h"
 
 #include "bpy_traceback.h"