Add missing tests to .gitignore

Some test binaries were missing and showed up in "git status".

Signed-off-by: Ulf Hermann <[email protected]>

Author: Ulf Hermann

.gitignore

@@ -93,6 +93,7 @@ Makefile.in
 /tests/asm-tst9
 /tests/backtrace
 /tests/backtrace-child
+/tests/backtrace-child-biarch
 /tests/backtrace-data
 /tests/backtrace-dwarf
 /tests/buildid
@@ -102,18 +103,26 @@ Makefile.in
 /tests/dwarf-getmacros
 /tests/dwarf-getstring
 /tests/dwarf-ranges
+/tests/dwelfgnucompressed
 /tests/dwfl-addr-sect
 /tests/dwfl-bug-addr-overflow
 /tests/dwfl-bug-fd-leak
 /tests/dwfl-bug-getmodules
 /tests/dwfl-bug-report
+/tests/dwfl-proc-attach
 /tests/dwfl-report-elf-align
 /tests/dwfllines
 /tests/dwflmodtest
 /tests/dwflsyms
 /tests/early-offscn
 /tests/ecp
+/tests/elfgetchdr
+/tests/elfgetzdata
+/tests/elfputzdata
+/tests/elfshphehdr
+/tests/elfstrmerge
 /tests/elfstrtab
+/tests/emptyfile
 /tests/find-prologues
 /tests/funcretval
 /tests/funcscopes
@@ -139,6 +148,7 @@ Makefile.in
 /tests/show-die-info
 /tests/showptable
 /tests/strptr
+/tests/system-elf-libelf-test
 /tests/test-elf_cntl_gelf_getshdr
 /tests/test-flag-nobits
 /tests/test-nlist
@@ -149,5 +159,7 @@ Makefile.in
 /tests/update3
 /tests/update4
 /tests/varlocs
+/tests/vendorelf
 /tests/vdsosyms
+/tests/zstrptr
 /version.h