Update src/stdlib_math_lnspace.fypp

Removed trailing white spaces

Co-authored-by: Jeremie Vandenplas <jeremie.vandenplas@gmail.com>

Author: ejovo13

src/stdlib_math_lnspace.fypp

@@ -18,7 +18,6 @@ contains
         ${t1}$ :: res(DEFAULT_LOGSPACE_LENGTH)        
 
         res = logspace(start, end, DEFAULT_LOGSPACE_LENGTH, EULERS_NUMBER_${k1}$)
-        
 
         end function ${RName}$
     #:endfor
@@ -38,4 +37,4 @@ contains
     #:endfor
 
 
-end submodule
+end submodule