fix: add missing f suffix in constants/float32/ln-two

PR-URL: #3110
Ref: 893cb1b#r149027862
Closes: stdlib-js/todo#2288
Reviewed-by: Athan Reines <kgryte@gmail.com>
Signed-off-by: Gunj Joshi <gunjjoshi8372@gmail.com>

Author: gunjjoshi

lib/node_modules/@stdlib/constants/float32/ln-two/include/stdlib/constants/float32/ln_two.h

@@ -22,6 +22,6 @@
 /**
 * Macro for the natural logarithm of `2` as a single-precision floating-point number.
 */
-#define STDLIB_CONSTANT_FLOAT32_LN2 0.6931471824645996
+#define STDLIB_CONSTANT_FLOAT32_LN2 0.6931471824645996f
 
 #endif // !STDLIB_CONSTANTS_FLOAT32_LN2_H