Add stdio.h/stdlib.h so minidump_upload compiles [backport]
Add stdio.h/stdlib.h so minidump_upload compiles [backport]

bbcallen/google-breakpad,bbcallen/google-breakpad,Quiark/google-breakpad,bbcallen/google-breakpad,mhoran/google-breakpad,mhoran/google-breakpad,mhoran/google-breakpad,Quiark/google-breakpad,mhoran/google-breakpad,Quiark/google-breakpad,Quiark/google-breakpad,mhoran/google-breakpad,bbcallen/google-breakpad,mhoran/google-breakpad,Quiark/google-breakpad,bbcallen/google-breakpad,Quiark/google-breakpad,bbcallen/google-breakpad