Upgrade re2 to support seperate CXX and CC passing

Gemfile

@@ -164,7 +164,7 @@ gem 'rainbow', '~> 2.2'
 gem 'settingslogic', '~> 2.0.9'
 # Linear-time regex library for untrusted regular expressions
-gem 're2', '~> 1.1.0'
+gem 're2', '~> 1.1.1'
 # Misc

Gemfile.lock

@@ -656,7 +656,7 @@ GEM
       debugger-ruby_core_source (~> 1.3)
     rdoc (4.2.2)
       json (~> 1.4)
-    re2 (1.1.0)
+    re2 (1.1.1)
     recaptcha (3.0.0)
       json
     recursive-open-struct (1.0.0)
@@ -1055,7 +1055,7 @@ DEPENDENCIES
   raindrops (~> 0.18)
   rblineprof (~> 0.3.6)
   rdoc (~> 4.2)
-  re2 (~> 1.1.0)
+  re2 (~> 1.1.1)
   recaptcha (~> 3.0)
   redcarpet (~> 3.4)
   redis (~> 3.2)