Increase stack size for voice_commands

Increase voice_commands stack size as it was blown (due to some upstream
change).

Change-Id: I00bcb25e228b78308e18d42a7ea8dff141a4edc2

samples/quant_model/CMakeLists.txt

diff --git a/samples/quant_model/CMakeLists.txt b/samples/quant_model/CMakeLists.txt
index e3e70ff..ed825dd 100644
--- a/samples/quant_model/CMakeLists.txt
+++ b/samples/quant_model/CMakeLists.txt
@@ -444,7 +444,7 @@
     iree::vm::bytecode_module
     samples::util::util
   LINKOPTS
-    "LINKER:--defsym=__stack_size__=150k"
+    "LINKER:--defsym=__stack_size__=250k"
 )
 
 iree_cc_binary(
@@ -457,7 +457,7 @@
     ::voice_commands_c_module_static_emitc
     samples::util::util
   LINKOPTS
-    "LINKER:--defsym=__stack_size__=150k"
+    "LINKER:--defsym=__stack_size__=250k"
   COPTS
     "-DBUILD_EMITC"
 )