use rm -f when we remove.

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>

aarch64/include/klib.json

@@ -15,10 +15,10 @@
 			"-static"
 		],
 		"Post": [
-			"rm *.o"
+			"rm -f *.o"
 		],
 		"Pre": [
-			"rm -f *.o *.tag.*"
+			"rm -f -f *.o *.tag.*"
 		]
 	}
 }

amd64/include/klib.json

@@ -20,10 +20,10 @@
 			"-static"
 		],
 		"Post": [
-			"rm *.o"
+			"rm -f *.o"
 		],
 		"Pre": [
-			"rm -f *.o *.tag.*"
+			"rm -f -f *.o *.tag.*"
 		]
 	}
 }

clean.json

@@ -2,7 +2,7 @@
 	"amd64cpu": {
 		"Projects": ["/sys/src/9/amd64/clean.json"],
 	"Pre": [
-		"rm -rf $ARCH/lib/*.a $ARCH/bin/*",
+		"rm -f -rf $ARCH/lib/*.a $ARCH/bin/*",
 		"git checkout $ARCH/bin"
 	]
 	}

riscv/include/klib.json

@@ -16,10 +16,10 @@
 			"--no-relax"
 		],
 		"Post": [
-			"rm *.o"
+			"rm -f *.o"
 		],
 		"Pre": [
-			"rm -f *.o *.tag.*"
+			"rm -f -f *.o *.tag.*"
 		]
 	}
 }

sys/src/9/boot/bootconf.json

@@ -14,7 +14,7 @@
 			"-static"
 		],
 		"Post": [
-			"rm *.o *.a",
+			"rm -f *.o *.a",
 			"data2c ramfs_bootcpu_ ../boot/bootcpu.elf.out ../$ARCH/cpu.c"
 		],
 		"Program": "bootcpu.elf.out",

sys/src/cmd/bzip2/bzip2.json

@@ -11,7 +11,7 @@
 		],
 		"Install": "/$ARCH/bin",
 		"Post": [
-			"rm /sys/src/cmd/bzip2/lib/libbzip2.a"
+			"rm -f $HARVEY/sys/src/cmd/bzip2/lib/libbzip2.a"
 		],
 		"Projects": [
 			"lib/libbzip2.json"

sys/src/cmd/disk/prep/fdisk.json

@@ -5,7 +5,7 @@
 		],
 		"Install": "/$ARCH/bin/disk",
 		"Post": [
-			"rm y.tab.[ch]"
+			"rm -f y.tab.[ch]"
 		],
 		"Pre": [
 			"yacc -d calc.y"

sys/src/cmd/grep/grep.json

@@ -5,7 +5,7 @@
 		],
 		"Install": "/$ARCH/bin/",
 		"Post": [
-			"rm y.tab*"
+			"rm -f y.tab*"
 		],
 		"Pre": [
 			"yacc -d grep.y"

sys/src/cmd/rc/rc.json

@@ -4,7 +4,7 @@
 			"../cmd.json"
 		],
 		"Post": [
-			"rm y.tab* x.tab*"
+			"rm -f y.tab* x.tab*"
 		],
 		"Pre": [
 			"yacc -d syn.y",

sys/src/libc/libc.json

@@ -11,7 +11,7 @@
 	"Install": "/$ARCH/lib/",
 	"Library": "libc.a",
 	"Post": [
-		"rm 9syscall/*.s"
+		"rm -f 9syscall/*.s"
 	],
 	"Projects": [
 		"9syscall/9syscall.json"