RuboCop style fixes

Author: kjetilho

spec/functions/pw_hash_spec.rb

@@ -66,18 +66,19 @@
 
   begin
     require 'etc'
-    if Etc.confstr(Etc::CS_GNU_LIBC_VERSION) =~ %r{(\d+)\.(\d+)} and $1.to_i > 2 or ($1.to_i == 2 and $2.to_i >= 28)
+    if Etc.confstr(Etc::CS_GNU_LIBC_VERSION) =~ %r{(\d+)\.(\d+)} &&
+       (Regexp.last_match(1).to_i > 2 || (Regexp.last_match(1).to_i == 2 && Regexp.last_match(2).to_i >= 28))
       context 'when running on platform with bcrypt' do
         it { is_expected.to run.with_params('password', 'bcrypt', '05$salt.salt.salt.salt.sa').and_return('$2b$05$salt.salt.salt.salt.sO5QUgeeLRANZyvfNiKJW5amLo3cVD8nW') }
         it { is_expected.to run.with_params('password', 'bcrypt-a', '05$salt.salt.salt.salt.sa').and_return('$2a$05$salt.salt.salt.salt.sO5QUgeeLRANZyvfNiKJW5amLo3cVD8nW') }
         it { is_expected.to run.with_params('password', 'bcrypt-x', '05$salt.salt.salt.salt.sa').and_return('$2x$05$salt.salt.salt.salt.sO5QUgeeLRANZyvfNiKJW5amLo3cVD8nW') }
         it { is_expected.to run.with_params('password', 'bcrypt-y', '05$salt.salt.salt.salt.sa').and_return('$2y$05$salt.salt.salt.salt.sO5QUgeeLRANZyvfNiKJW5amLo3cVD8nW') }
       end
     else
-      pending("Only testing bcrypt results on glibc 2.28 and later")
+      pending('Only testing bcrypt results on glibc 2.28 and later')
     end
   rescue NameError
-    pending("Only testing bcrypt results on glibc")
+    pending('Only testing bcrypt results on glibc')
   end
 
   if RUBY_PLATFORM == 'java' || 'test'.crypt('$1$1') == '$1$1$Bp8CU9Oujr9SSEw53WV6G.'