Homebrew phpdbg inreplace error workaround

gistfile1.diff

diff --git a/Abstract/abstract-php.rb b/Abstract/abstract-php.rb
index 4eb8bc6..d46b5f8 100644
--- a/Abstract/abstract-php.rb
+++ b/Abstract/abstract-php.rb
@@ -309,7 +309,7 @@ INFO
     if build.with? 'phpdbg'
       args << "--enable-phpdbg"
     end
-    
+
     if build.with? 'tidy'
       args << "--with-tidy=#{Formula['tidy'].opt_prefix}"
     end
@@ -336,8 +336,8 @@ INFO
     unless build.without? 'apache'
       # Use Homebrew prefix for the Apache libexec folder
       inreplace "Makefile",
-        /^INSTALL_IT = \$\(mkinstalldirs\) '([^']+)' (.+) LIBEXECDIR=([^\s]+) (.+)$/,
-        "INSTALL_IT = $(mkinstalldirs) '#{libexec}/apache2' \\2 LIBEXECDIR='#{libexec}/apache2' \\4"
+        /^INSTALL_IT =( \$\(mkinstalldirs\) '([^']+)' (.+) LIBEXECDIR=([^\s]+) (.+))?$/,
+        "INSTALL_IT = $(mkinstalldirs) '#{libexec}/apache2' \\3 LIBEXECDIR='#{libexec}/apache2' \\5"
     end
 
     inreplace 'Makefile' do |s|