Change tests to use new error message

Author: James Miller

src/test/compile-fail/elided-test.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// error-pattern: main function not found
+// error-pattern: entry function not found
 
 // Since we're not compiling a test runner this function should be elided
 // and the build will fail because main doesn't exist

src/test/compile-fail/missing-main.rs

@@ -8,5 +8,5 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// error-pattern:main function not found
+// error-pattern:entry function not found
 fn mian() { }