fix also functions_section -> function_section

examples/info.rs

@@ -22,8 +22,8 @@ fn main() {
             &Section::Export(ref exports_section) => {
                 println!("  Exports: {}", exports_section.entries().len());
             },            
-            &Section::Function(ref functions_section) => {
-                println!("  Functions: {}", functions_section.entries().len());
+            &Section::Function(ref function_section) => {
+                println!("  Functions: {}", function_section.entries().len());
             },
             &Section::Global(ref globals_section) => {
                 println!("  Globals: {}", globals_section.entries().len());                

src/builder/module.rs

@@ -445,7 +445,7 @@ mod tests {
             .build();
 
         assert_eq!(module.type_section().expect("type section to exist").types().len(), 1);
-        assert_eq!(module.functions_section().expect("function section to exist").entries().len(), 1);
+        assert_eq!(module.function_section().expect("function section to exist").entries().len(), 1);
         assert_eq!(module.code_section().expect("code section to exist").bodies().len(), 1);
     }
 

src/elements/module.rs

@@ -123,7 +123,7 @@ impl Module {
     }
 
     /// Functions signatures section, if any.
-    pub fn functions_section(&self) -> Option<&FunctionSection> {
+    pub fn function_section(&self) -> Option<&FunctionSection> {
         for section in self.sections() {
             if let &Section::Function(ref sect) = section { return Some(sect); }
         }

src/interpreter/module.rs

@@ -318,7 +318,7 @@ impl ModuleInstanceInterface for ModuleInstance {
 		// internal index = index of function in functions section && index of code in code section
 		// get function type index
 		let function_type_index = self.module
-			.functions_section()
+			.function_section()
 			.ok_or(Error::Function(format!("trying to call function with index {} in module without function section", index)))
 			.and_then(|s| s.entries()
 				.get(index as usize)