Bumps libffi to v3.4.2 + adds -fPIC on i686 (#2578)

Author: misl6

pythonforandroid/archs.py

@@ -264,6 +264,7 @@ class Archx86(Arch):
         '-mssse3',
         '-mfpmath=sse',
         '-m32',
+        '-fPIC',
     ]
 
 

pythonforandroid/recipes/libffi/__init__.py

@@ -14,7 +14,7 @@ class LibffiRecipe(Recipe):
         - `libltdl-dev` which defines the `LT_SYS_SYMBOL_USCORE` macro
     """
     name = 'libffi'
-    version = 'v3.3'
+    version = 'v3.4.2'
     url = 'https://github.com/libffi/libffi/archive/{version}.tar.gz'
 
     patches = ['remove-version-info.patch']