Fix a typo in lineinfo unittest.cc

When initializing the LineReader, the size passed should be the sizeof
the dwarf4 line program.

Change-Id: I67e6fa404d4fa8851e4958013a35a061fe169156
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2585345
Reviewed-by: Sterling Augustine <saugustine@google.com>
diff --git a/src/common/dwarf/dwarf2reader_lineinfo_unittest.cc b/src/common/dwarf/dwarf2reader_lineinfo_unittest.cc
index 99fc1a0..37df73a 100644
--- a/src/common/dwarf/dwarf2reader_lineinfo_unittest.cc
+++ b/src/common/dwarf/dwarf2reader_lineinfo_unittest.cc
@@ -169,7 +169,7 @@
   // dwarf4 line info headers don't encode the address size.
   byte_reader.SetAddressSize(8);
   LineInfo line_reader(dwarf4_line_program,
-                       sizeof(dwarf5_line_program),
+                       sizeof(dwarf4_line_program),
                        &byte_reader,
                        // dwarf4 line tables can't access the string sections
                        // so pass values likely to make assertions fail if