fix non portable option -T for 'install'

Author: hexcoder-

llvm_mode/GNUmakefile

@@ -439,7 +439,7 @@ install: all
 	set -e; install -m 644 ../dynamic_list.txt $${DESTDIR}$(HELPER_PATH)
 	set -e; if [ -f ../afl-clang-fast ] ; then ln -sf afl-clang-fast $${DESTDIR}$(BIN_PATH)/afl-clang ; ln -sf afl-clang-fast $${DESTDIR}$(BIN_PATH)/afl-clang++ ; else ln -sf afl-gcc $${DESTDIR}$(BIN_PATH)/afl-clang ; ln -sf afl-gcc $${DESTDIR}$(BIN_PATH)/afl-clang++; fi
 	install -m 644 README.*.md $${DESTDIR}$(DOC_PATH)/
-	install -m 644 -T README.md $${DESTDIR}$(DOC_PATH)/README.llvm_mode.md
+	install -m 644 README.md $${DESTDIR}$(DOC_PATH)/README.llvm_mode.md
 
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