Merge branch 'egil/fix-compiler-warnings' into maint

* egil/fix-compiler-warnings:
  erts: Use re instead of regexp in testsuite
  erts: Remove unused code in testsuites
  orber: Use modern list guard in testsuite
  orber: Ignore unused variable in orber_tb.erl
  xmerl: Ignore unused variable in xmerl_uri.erl
  syntax_tool: Add missing type information
  hipe: Suppress warnings for unused variables
  hipe: Add type information to cfg_info record
  tools: Use literal formatting in erl_memory.c
  asn1: Remove unused variable in asn1_erl_nif.c
  ei: Remove unused variable in ei_format.c
  erts: Add missing prototype to DRIVER_INIT
  runtime_tools: Fix signedness in trace_ip_drv.c
  to_erl: Remove compiler warnings
  heart: Suppress compiler warnings
  erts: Remove compiler warnings in inet_gethost.c
  erts: Remove dead code in inet_gethost.c
  erts: Remove dead code

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/erl_interface/src/misc/ei_format.c b/lib/erl_interface/src/misc/ei_format.c
index cf50f12451..c1e5d998e4 100644
--- a/lib/erl_interface/src/misc/ei_format.c
+++ b/lib/erl_interface/src/misc/ei_format.c
@@ -149,7 +149,7 @@ static int pdigit(const char** fmt, ei_x_buff* x)
 {
     const char* start = *fmt;
     char c;
-    int len, dotp=0;
+    int dotp=0;
     double d;
     long l;
 
@@ -166,7 +166,6 @@ static int pdigit(const char** fmt, ei_x_buff* x)
 	    break;
     } 
     --(*fmt);
-    len = *fmt - start;
     if (dotp) {
 	sscanf(start, "%lf", &d);
 	return ei_x_encode_double(x, d);