fix typo in librustc target spec

Author: thestinger

src/librustc/back/link.rs

@@ -920,7 +920,7 @@ fn link_args(cmd: &mut Command,
 
     let used_link_args = sess.cstore.get_used_link_args().borrow();
 
-    if t.options.position_independant_executables {
+    if t.options.position_independent_executables {
         let empty_vec = Vec::new();
         let empty_str = String::new();
         let args = sess.opts.cg.link_args.as_ref().unwrap_or(&empty_vec);

src/librustc_back/target/arm_linux_androideabi.rs

@@ -17,7 +17,7 @@ pub fn target() -> Target {
     // linker doesn't like that by default.
     base.pre_link_args.push("-Wl,--allow-multiple-definition".to_string());
     // FIXME #17437 (and #17448): Android doesn't support position dependant executables anymore.
-    base.position_independant_executables = false;
+    base.position_independent_executables = false;
 
     Target {
         data_layout: "e-p:32:32:32\

src/librustc_back/target/linux_base.rs

@@ -25,7 +25,7 @@ pub fn opts() -> TargetOptions {
             // follow this flag. Thus, use it before specifying libraries to link to.
             "-Wl,--as-needed".to_string(),
         ),
-        position_independant_executables: true,
+        position_independent_executables: true,
         .. Default::default()
     }
 }

src/librustc_back/target/mod.rs

@@ -158,7 +158,7 @@ pub struct TargetOptions {
     /// relocation model of position independent code is not changed. This is a requirement to take
     /// advantage of ASLR, as otherwise the functions in the executable are not randomized and can
     /// be used during an exploit of a vulnerability in any code.
-    pub position_independant_executables: bool,
+    pub position_independent_executables: bool,
 }
 
 impl Default for TargetOptions {
@@ -189,7 +189,7 @@ impl Default for TargetOptions {
             linker_is_gnu: false,
             has_rpath: false,
             no_compiler_rt: false,
-            position_independant_executables: false,
+            position_independent_executables: false,
         }
     }
 }