Percent encoding routines
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 200f9c2..ee762b3 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -201,6 +201,7 @@
                       'src/core/lib/support/block_annotate.h',
                       'src/core/lib/support/env.h',
                       'src/core/lib/support/murmur_hash.h',
+                      'src/core/lib/support/percent_encoding.h',
                       'src/core/lib/support/stack_lockfree.h',
                       'src/core/lib/support/string.h',
                       'src/core/lib/support/string_windows.h',
@@ -228,6 +229,7 @@
                       'src/core/lib/support/log_posix.c',
                       'src/core/lib/support/log_windows.c',
                       'src/core/lib/support/murmur_hash.c',
+                      'src/core/lib/support/percent_encoding.c',
                       'src/core/lib/support/slice.c',
                       'src/core/lib/support/slice_buffer.c',
                       'src/core/lib/support/stack_lockfree.c',
@@ -607,6 +609,7 @@
                               'src/core/lib/support/block_annotate.h',
                               'src/core/lib/support/env.h',
                               'src/core/lib/support/murmur_hash.h',
+                              'src/core/lib/support/percent_encoding.h',
                               'src/core/lib/support/stack_lockfree.h',
                               'src/core/lib/support/string.h',
                               'src/core/lib/support/string_windows.h',